56627489655 has 24 divisors (see below), whose sum is σ = 107077435920. Its totient is φ = 27455752320.

The previous prime is 56627489627. The next prime is 56627489707. The reversal of 56627489655 is 55698472665.

It is a happy number.

56627489655 is a `hidden beast` number, since 566 + 2 + 7 + 4 + 8 + 9 + 65 + 5 = 666.

It is not a de Polignac number, because 56627489655 - 2¹⁴ = 56627473271 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56627489592 and 56627489601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57198990 + ... + 57199979.

It is an arithmetic number, because the mean of its divisors is an integer number (4461559830).

Almost surely, 2^56627489655 is an apocalyptic number.

56627489655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56627489655 is a deficient number, since it is larger than the sum of its proper divisors (50449946265).

56627489655 is a wasteful number, since it uses less digits than its factorization.

56627489655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114398991 (or 114398988 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 63.

The spelling of 56627489655 in words is "fifty-six billion, six hundred twenty-seven million, four hundred eighty-nine thousand, six hundred fifty-five".