56387712 has 32 divisors (see below), whose sum is σ = 149780880. Its totient is φ = 18795776.

The previous prime is 56387711. The next prime is 56387719. The reversal of 56387712 is 21778365.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (56387711) 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, 73038 + ... + 73805.

Almost surely, 2^56387712 is an apocalyptic number.

It is an amenable number.

56387712 is an abundant number, since it is smaller than the sum of its proper divisors (93393168).

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

56387712 is a wasteful number, since it uses less digits than its factorization.

56387712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146860 (or 146848 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 56387712 is about 7509.1751877287. The cubic root of 56387712 is about 383.4671428679.

The spelling of 56387712 in words is "fifty-six million, three hundred eighty-seven thousand, seven hundred twelve".