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55555525525 = 5218671190263
BaseRepresentation
bin110011101111010111…
…100000101110010101
312022101202112002221111
4303233113200232111
51402234203304100
641304415415021
74004501114113
oct635727405625
9168352462844
1055555525525
1121619711665
12a925524471
135314a24b36
1429904bcab3
1516a24816ba
hexcef5e0b95

55555525525 has 12 divisors (see below), whose sum is σ = 68925807712. Its totient is φ = 44420577840.

The previous prime is 55555525517. The next prime is 55555525549. The reversal of 55555525525 is 52552555555.

It is not a de Polignac number, because 55555525525 - 23 = 55555525517 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent 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, 548457 + ... + 641806.

Almost surely, 255555525525 is an apocalyptic number.

It is an amenable number.

55555525525 is a deficient number, since it is larger than the sum of its proper divisors (13370282187).

55555525525 is a wasteful number, since it uses less digits than its factorization.

55555525525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192140 (or 1192135 counting only the distinct ones).

The product of its digits is 7812500, while the sum is 49.

The spelling of 55555525525 in words is "fifty-five billion, five hundred fifty-five million, five hundred twenty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 1867 9335 46675 1190263 5951315 29756575 2222221021 11111105105 55555525525