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55205441504 = 2517131774661
BaseRepresentation
bin110011011010100000…
…000010111111100000
312021111100202222221122
4303122200002333200
51401030043112004
641205552111412
73663020340023
oct633240027740
9167440688848
1055205441504
112145a03a324
12a848235568
13528a33c625
142959bcd1ba
15168187ccbe
hexcda802fe0

55205441504 has 48 divisors (see below), whose sum is σ = 115957605456. Its totient is φ = 25780684800.

The previous prime is 55205441479. The next prime is 55205441527. The reversal of 55205441504 is 40514450255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316067 + ... + 458594.

It is an arithmetic number, because the mean of its divisors is an integer number (2415783447).

Almost surely, 255205441504 is an apocalyptic number.

It is an amenable number.

55205441504 is an abundant number, since it is smaller than the sum of its proper divisors (60752163952).

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

55205441504 is a wasteful number, since it uses less digits than its factorization.

55205441504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774819 (or 774811 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 55205441504 its reverse (40514450255), we get a palindrome (95719891759).

The spelling of 55205441504 in words is "fifty-five billion, two hundred five million, four hundred forty-one thousand, five hundred four".

Divisors: 1 2 4 8 16 17 32 34 68 131 136 262 272 524 544 1048 2096 2227 4192 4454 8908 17816 35632 71264 774661 1549322 3098644 6197288 12394576 13169237 24789152 26338474 52676948 101480591 105353896 202961182 210707792 405922364 421415584 811844728 1623689456 1725170047 3247378912 3450340094 6900680188 13801360376 27602720752 55205441504