56712120 has 128 divisors (see below), whose sum is σ = 178770240. Its totient is φ = 14376960.

The previous prime is 56712053. The next prime is 56712121. The reversal of 56712120 is 2121765.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56712121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235200 + ... + 235440.

Almost surely, 2^56712120 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 56712120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89385120).

56712120 is an abundant number, since it is smaller than the sum of its proper divisors (122058120).

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

56712120 is a wasteful number, since it uses less digits than its factorization.

56712120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 56712120 is about 7530.7449830677. The cubic root of 56712120 is about 384.2011207727.

Adding to 56712120 its reverse (2121765), we get a palindrome (58833885).

The spelling of 56712120 in words is "fifty-six million, seven hundred twelve thousand, one hundred twenty".