56913923 has 12 divisors (see below), whose sum is σ = 64580544. Its totient is φ = 50067600.

The previous prime is 56913869. The next prime is 56913971. The reversal of 56913923 is 32931965.

It is not a de Polignac number, because 56913923 - 2²⁰ = 55865347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56913973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3836 + ... + 11337.

It is an arithmetic number, because the mean of its divisors is an integer number (5381712).

Almost surely, 2^56913923 is an apocalyptic number.

56913923 is a deficient number, since it is larger than the sum of its proper divisors (7666621).

56913923 is a wasteful number, since it uses less digits than its factorization.

56913923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15226 (or 15215 counting only the distinct ones).

The product of its digits is 43740, while the sum is 38.

The square root of 56913923 is about 7544.1316929120. The cubic root of 56913923 is about 384.6562918859.

The spelling of 56913923 in words is "fifty-six million, nine hundred thirteen thousand, nine hundred twenty-three".