56724120 has 96 divisors (see below), whose sum is σ = 194079600. Its totient is φ = 14328576.

The previous prime is 56724119. The next prime is 56724149. The reversal of 56724120 is 2142765.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2694 + ... + 10986.

Almost surely, 2^56724120 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 56724120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97039800).

56724120 is an abundant number, since it is smaller than the sum of its proper divisors (137355480).

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

56724120 is a wasteful number, since it uses less digits than its factorization.

56724120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8329 (or 8322 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 56724120 is about 7531.5416748498. The cubic root of 56724120 is about 384.2282172047.

Adding to 56724120 its reverse (2142765), we get a palindrome (58866885).

The spelling of 56724120 in words is "fifty-six million, seven hundred twenty-four thousand, one hundred twenty".