56216464431056 has 20 divisors (see below), whose sum is σ = 108920985765504. Its totient is φ = 28107822943200.

The previous prime is 56216464431053. The next prime is 56216464431067. The reversal of 56216464431056 is 65013446461265.

It is a junction number, because it is equal to n+sod(n) for n = 56216464430989 and 56216464431007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56216464431053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24444800 + ... + 26645471.

Almost surely, 2^{56216464431056} is an apocalyptic number.

It is an amenable number.

56216464431056 is a deficient number, since it is larger than the sum of its proper divisors (52704521334448).

56216464431056 is a wasteful number, since it uses less digits than its factorization.

56216464431056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51159050 (or 51159044 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 56216464431056 in words is "fifty-six trillion, two hundred sixteen billion, four hundred sixty-four million, four hundred thirty-one thousand, fifty-six".