56913844 has 24 divisors (see below), whose sum is σ = 110163368. Its totient is φ = 25557120.

The previous prime is 56913839. The next prime is 56913869. The reversal of 56913844 is 44831965.

It can be written as a sum of positive squares in 4 ways, for example, as 15697444 + 41216400 = 3962^2 + 6420^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56913797 and 56913806.

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, 12867 + ... + 16714.

Almost surely, 2^56913844 is an apocalyptic number.

It is an amenable number.

56913844 is a deficient number, since it is larger than the sum of its proper divisors (53249524).

56913844 is a wasteful number, since it uses less digits than its factorization.

56913844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29635 (or 29633 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 56913844 is about 7544.1264570525. The cubic root of 56913844 is about 384.6561139104.

The spelling of 56913844 in words is "fifty-six million, nine hundred thirteen thousand, eight hundred forty-four".