56521710 has 96 divisors (see below), whose sum is σ = 170389440. Its totient is φ = 12731904.

The previous prime is 56521697. The next prime is 56521723. The reversal of 56521710 is 1712565.

56521710 is a `hidden beast` number, since 5 + 652 + 1 + 7 + 1 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (56521697) and next prime (56521723).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45376 + ... + 46604.

It is an arithmetic number, because the mean of its divisors is an integer number (1774890).

Almost surely, 2^56521710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56521710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85194720).

56521710 is an abundant number, since it is smaller than the sum of its proper divisors (113867730).

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

56521710 is a wasteful number, since it uses less digits than its factorization.

56521710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 56521710 is about 7518.0921782059. The cubic root of 56521710 is about 383.7706556944.

The spelling of 56521710 in words is "fifty-six million, five hundred twenty-one thousand, seven hundred ten".