56115724 has 12 divisors (see below), whose sum is σ = 112231504. Its totient is φ = 24049584.

The previous prime is 56115679. The next prime is 56115727. The reversal of 56115724 is 42751165.

56115724 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (56115727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002039 + ... + 1002094.

Almost surely, 2^56115724 is an apocalyptic number.

It is an amenable number.

56115724 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56115724 is a wasteful number, since it uses less digits than its factorization.

56115724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004144 (or 2004142 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 56115724 is about 7491.0429180455. The cubic root of 56115724 is about 382.8495933814.

Adding to 56115724 its reverse (42751165), we get a palindrome (98866889).

It can be divided in two parts, 5 and 6115724, that added together give a square (6115729 = 2473²).

The spelling of 56115724 in words is "fifty-six million, one hundred fifteen thousand, seven hundred twenty-four".