56656710 has 96 divisors (see below), whose sum is σ = 162190080. Its totient is φ = 13608000.

The previous prime is 56656709. The next prime is 56656729. The reversal of 56656710 is 1765665.

It is a happy number.

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, 149301 + ... + 149679.

It is an arithmetic number, because the mean of its divisors is an integer number (1689480).

Almost surely, 2^56656710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56656710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81095040).

56656710 is an abundant number, since it is smaller than the sum of its proper divisors (105533370).

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

56656710 is a wasteful number, since it uses less digits than its factorization.

56656710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 56656710 is about 7527.0651651225. The cubic root of 56656710 is about 384.0759534003.

The spelling of 56656710 in words is "fifty-six million, six hundred fifty-six thousand, seven hundred ten".