56013912844 has 48 divisors (see below), whose sum is σ = 107083922400. Its totient is φ = 25535817216.

The previous prime is 56013912841. The next prime is 56013912847. The reversal of 56013912844 is 44821931065.

It is an interprime number because it is at equal distance from previous prime (56013912841) and next prime (56013912847).

It is a self number, because there is not a number n which added to its sum of digits gives 56013912844.

It is not an unprimeable number, because it can be changed into a prime (56013912841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649254 + ... + 730450.

It is an arithmetic number, because the mean of its divisors is an integer number (2230915050).

Almost surely, 2^56013912844 is an apocalyptic number.

It is an amenable number.

56013912844 is a deficient number, since it is larger than the sum of its proper divisors (51070009556).

56013912844 is a wasteful number, since it uses less digits than its factorization.

56013912844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81562 (or 81560 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 56013912844 in words is "fifty-six billion, thirteen million, nine hundred twelve thousand, eight hundred forty-four".