56717472 has 48 divisors (see below), whose sum is σ = 170154432. Its totient is φ = 16204800.

The previous prime is 56717461. The next prime is 56717477. The reversal of 56717472 is 27471765.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 56717472.

It is not an unprimeable number, because it can be changed into a prime (56717477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41529 + ... + 42872.

It is an arithmetic number, because the mean of its divisors is an integer number (3544884).

Almost surely, 2^56717472 is an apocalyptic number.

It is an amenable number.

56717472 is an abundant number, since it is smaller than the sum of its proper divisors (113436960).

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

56717472 is a wasteful number, since it uses less digits than its factorization.

56717472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84421 (or 84413 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 56717472 is about 7531.1003180146. The cubic root of 56717472 is about 384.2132062535.

The spelling of 56717472 in words is "fifty-six million, seven hundred seventeen thousand, four hundred seventy-two".