56840924 has 48 divisors (see below), whose sum is σ = 118352640. Its totient is φ = 23379840.

The previous prime is 56840923. The next prime is 56840941. The reversal of 56840924 is 42904865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56840923) 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, 76547 + ... + 77285.

It is an arithmetic number, because the mean of its divisors is an integer number (2465680).

Almost surely, 2^56840924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56840924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59176320).

56840924 is an abundant number, since it is smaller than the sum of its proper divisors (61511716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56840924 is a wasteful number, since it uses less digits than its factorization.

56840924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 56840924 is about 7539.2920092009. The cubic root of 56840924 is about 384.4917654288.

The spelling of 56840924 in words is "fifty-six million, eight hundred forty thousand, nine hundred twenty-four".