56571023654 has 16 divisors (see below), whose sum is σ = 84949300800. Its totient is φ = 28254609984.

The previous prime is 56571023633. The next prime is 56571023683. The reversal of 56571023654 is 45632017565.

It is a happy number.

56571023654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56571023654² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 12828602 + ... + 12833010.

It is an arithmetic number, because the mean of its divisors is an integer number (5309331300).

Almost surely, 2^56571023654 is an apocalyptic number.

56571023654 is a deficient number, since it is larger than the sum of its proper divisors (28378277146).

56571023654 is a wasteful number, since it uses less digits than its factorization.

56571023654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 56571023654 in words is "fifty-six billion, five hundred seventy-one million, twenty-three thousand, six hundred fifty-four".