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55464960100 = 225211221412
BaseRepresentation
bin110011101001111110…
…000010000001100100
312022011110002220112111
4303221332002001210
51402043012210400
641251422330404
74002321245014
oct635176020144
9168143086474
1055464960100
1121582584500
12a8bb129a04
1352cc035724
142982465c44
1516995423ba
hexce9f82064

55464960100 has 81 divisors (see below), whose sum is σ = 132357209803. Its totient is φ = 20159656000.

The previous prime is 55464960097. The next prime is 55464960163. The reversal of 55464960100 is 106946455.

It is a happy number.

The square root of 55464960100 is 235510.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 9511320676 + 45953639424 = 97526^2 + 214368^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25905030 + ... + 25907170.

Almost surely, 255464960100 is an apocalyptic number.

55464960100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55464960100 is the 235510-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55464960100

55464960100 is an abundant number, since it is smaller than the sum of its proper divisors (76892249703).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55464960100 is a wasteful number, since it uses less digits than its factorization.

55464960100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 55464960100 in words is "fifty-five billion, four hundred sixty-four million, nine hundred sixty thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 220 242 275 484 550 605 1100 1210 2141 2420 3025 4282 6050 8564 10705 12100 21410 23551 42820 47102 53525 94204 107050 117755 214100 235510 259061 471020 518122 588775 1036244 1177550 1295305 2355100 2590610 4583881 5181220 6476525 9167762 12953050 18335524 22919405 25906100 45838810 50422691 91677620 100845382 114597025 201690764 229194050 252113455 458388100 504226910 554649601 1008453820 1109299202 1260567275 2218598404 2521134550 2773248005 5042269100 5546496010 11092992020 13866240025 27732480050 55464960100