56475635776 has 56 divisors (see below), whose sum is σ = 128139667520. Its totient is φ = 24192317952.

The previous prime is 56475635767. The next prime is 56475635789. The reversal of 56475635776 is 67753657465.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×56475635776² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947266 + ... + 1005118.

Almost surely, 2^56475635776 is an apocalyptic number.

56475635776 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56475635776 is an abundant number, since it is smaller than the sum of its proper divisors (71664031744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56475635776 is a wasteful number, since it uses less digits than its factorization.

56475635776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60051 (or 60041 counting only the distinct ones).

The product of its digits is 111132000, while the sum is 61.

The spelling of 56475635776 in words is "fifty-six billion, four hundred seventy-five million, six hundred thirty-five thousand, seven hundred seventy-six".