56945724 has 48 divisors (see below), whose sum is σ = 145963776. Its totient is φ = 17136000.

The previous prime is 56945711. The next prime is 56945731. The reversal of 56945724 is 42754965.

Its product of digits (302400) is a multiple of the sum of its prime divisors (3024).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18504 + ... + 21360.

It is an arithmetic number, because the mean of its divisors is an integer number (3040912).

Almost surely, 2^56945724 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 56945724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72981888).

56945724 is an abundant number, since it is smaller than the sum of its proper divisors (89018052).

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

56945724 is a wasteful number, since it uses less digits than its factorization.

56945724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026 (or 3024 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 56945724 is about 7546.2390632685. The cubic root of 56945724 is about 384.7279215592.

The spelling of 56945724 in words is "fifty-six million, nine hundred forty-five thousand, seven hundred twenty-four".