56995220416 has 28 divisors (see below), whose sum is σ = 113456712888. Its totient is φ = 28407702272.

The previous prime is 56995220411. The next prime is 56995220437. The reversal of 56995220416 is 61402259965.

It is a self number, because there is not a number n which added to its sum of digits gives 56995220416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56995220411) 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, 1384366 + ... + 1424941.

Almost surely, 2^56995220416 is an apocalyptic number.

It is an amenable number.

56995220416 is a deficient number, since it is larger than the sum of its proper divisors (56461492472).

56995220416 is a wasteful number, since it uses less digits than its factorization.

56995220416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809636 (or 2809626 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 56995220416 in words is "fifty-six billion, nine hundred ninety-five million, two hundred twenty thousand, four hundred sixteen".