56708988 has 48 divisors (see below), whose sum is σ = 151597824. Its totient is φ = 16162560.

The previous prime is 56708921. The next prime is 56708989. The reversal of 56708988 is 88980765.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56708988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56708989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57556 + ... + 58532.

It is an arithmetic number, because the mean of its divisors is an integer number (3158288).

Almost surely, 2^56708988 is an apocalyptic number.

It is an amenable number.

56708988 is an abundant number, since it is smaller than the sum of its proper divisors (94888836).

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

56708988 is a wasteful number, since it uses less digits than its factorization.

56708988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 56708988 is about 7530.5370326425. The cubic root of 56708988 is about 384.1940479749.

The spelling of 56708988 in words is "fifty-six million, seven hundred eight thousand, nine hundred eighty-eight".