56355631775 has 6 divisors (see below), whose sum is σ = 69880983432. Its totient is φ = 45084505400.

The previous prime is 56355631753. The next prime is 56355631789. The reversal of 56355631775 is 57713655365.

It is a de Polignac number, because none of the positive numbers 2^k-56355631775 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 1127112611 + ... + 1127112660.

It is an arithmetic number, because the mean of its divisors is an integer number (11646830572).

Almost surely, 2^56355631775 is an apocalyptic number.

56355631775 is a deficient number, since it is larger than the sum of its proper divisors (13525351657).

56355631775 is a wasteful number, since it uses less digits than its factorization.

56355631775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254225281 (or 2254225276 counting only the distinct ones).

The product of its digits is 9922500, while the sum is 53.

The spelling of 56355631775 in words is "fifty-six billion, three hundred fifty-five million, six hundred thirty-one thousand, seven hundred seventy-five".