56400635393 has 8 divisors (see below), whose sum is σ = 57604355712. Its totient is φ = 55197069616.

The previous prime is 56400635387. The next prime is 56400635399. The reversal of 56400635393 is 39353600465.

It is an interprime number because it is at equal distance from previous prime (56400635387) and next prime (56400635399).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56400635393 - 2⁴ = 56400635377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56400635399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985346 + ... + 1041012.

It is an arithmetic number, because the mean of its divisors is an integer number (7200544464).

Almost surely, 2^56400635393 is an apocalyptic number.

It is an amenable number.

56400635393 is a deficient number, since it is larger than the sum of its proper divisors (1203720319).

56400635393 is a wasteful number, since it uses less digits than its factorization.

56400635393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77271.

The product of its (nonzero) digits is 874800, while the sum is 44.

The spelling of 56400635393 in words is "fifty-six billion, four hundred million, six hundred thirty-five thousand, three hundred ninety-three".