56356143664 has 40 divisors (see below), whose sum is σ = 110759843952. Its totient is φ = 27773475840.

The previous prime is 56356143647. The next prime is 56356143673. The reversal of 56356143664 is 46634165365.

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, 1819572 + ... + 1850284.

Almost surely, 2^56356143664 is an apocalyptic number.

It is an amenable number.

56356143664 is a deficient number, since it is larger than the sum of its proper divisors (54403700288).

56356143664 is a wasteful number, since it uses less digits than its factorization.

56356143664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32365 (or 32359 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 49.

The spelling of 56356143664 in words is "fifty-six billion, three hundred fifty-six million, one hundred forty-three thousand, six hundred sixty-four".