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55005555050 = 2521949564449
BaseRepresentation
bin110011001110100101…
…100010100101101010
312020222102122201021122
4303032211202211222
51400122410230200
641134051535242
73655042334465
oct631645424552
9166872581248
1055005555050
1121367224706
12a7b12ba522
135257ac4c14
14293b43a2dc
15166e047385
hexcce96296a

55005555050 has 24 divisors (see below), whose sum is σ = 102363007500. Its totient is φ = 21990894080.

The previous prime is 55005555019. The next prime is 55005555107. The reversal of 55005555050 is 5055550055.

55005555050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 22207258441 + 32798296609 = 149021^2 + 181103^2 .

It is a super-2 number, since 2×550055550502 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55005555050.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184775 + ... + 379674.

Almost surely, 255005555050 is an apocalyptic number.

55005555050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55005555050 is a deficient number, since it is larger than the sum of its proper divisors (47357452450).

55005555050 is a wasteful number, since it uses less digits than its factorization.

55005555050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566410 (or 566405 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55005555050 in words is "fifty-five billion, five million, five hundred fifty-five thousand, fifty".

Divisors: 1 2 5 10 25 50 1949 3898 9745 19490 48725 97450 564449 1128898 2822245 5644490 14111225 28222450 1100111101 2200222202 5500555505 11001111010 27502777525 55005555050