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54808058931 = 3311035721689
BaseRepresentation
bin110011000010110100…
…001001110000110011
312020110200000212112120
4303002310021300303
51344221330341211
641102314525323
73650123546163
oct630264116063
9166420025476
1054808058931
11212757a197a
12a757136843
135225c06502
14291d10a5a3
15165ba34d06
hexcc2d09c33

54808058931 has 16 divisors (see below), whose sum is σ = 76167137280. Its totient is φ = 35016730560.

The previous prime is 54808058923. The next prime is 54808058947. The reversal of 54808058931 is 13985080845.

It is not a de Polignac number, because 54808058931 - 23 = 54808058923 is a prime.

It is a super-2 number, since 2×548080589312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54808058951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2851266 + ... + 2870423.

It is an arithmetic number, because the mean of its divisors is an integer number (4760446080).

Almost surely, 254808058931 is an apocalyptic number.

54808058931 is a deficient number, since it is larger than the sum of its proper divisors (21359078349).

54808058931 is a wasteful number, since it uses less digits than its factorization.

54808058931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721826.

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 54808058931 in words is "fifty-four billion, eight hundred eight million, fifty-eight thousand, nine hundred thirty-one".

Divisors: 1 3 31 93 103 309 3193 9579 5721689 17165067 177372359 532117077 589333967 1768001901 18269352977 54808058931