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55667985025 = 522396813887
BaseRepresentation
bin110011110110000100…
…100000101010000001
312022200121010122101011
4303312010200222001
51403002001010100
641323514040521
74010335031302
oct636604405201
9168617118334
1055667985025
11216771430a4
12a957119141
13533210b813
1429a13d47a9
1516ac297bba
hexcf6120a81

55667985025 has 12 divisors (see below), whose sum is σ = 72029532672. Its totient is φ = 42598109840.

The previous prime is 55667985013. The next prime is 55667985067. The reversal of 55667985025 is 52058976655.

It is not a de Polignac number, because 55667985025 - 215 = 55667952257 is a prime.

It is a Duffinian number.

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, 48406369 + ... + 48407518.

It is an arithmetic number, because the mean of its divisors is an integer number (6002461056).

Almost surely, 255667985025 is an apocalyptic number.

It is an amenable number.

55667985025 is a deficient number, since it is larger than the sum of its proper divisors (16361547647).

55667985025 is a wasteful number, since it uses less digits than its factorization.

55667985025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96813920 (or 96813915 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 58.

The spelling of 55667985025 in words is "fifty-five billion, six hundred sixty-seven million, nine hundred eighty-five thousand, twenty-five".

Divisors: 1 5 23 25 115 575 96813887 484069435 2226719401 2420347175 11133597005 55667985025