56487808 has 64 divisors (see below), whose sum is σ = 122950800. Its totient is φ = 25694208.

The previous prime is 56487803. The next prime is 56487811. The reversal of 56487808 is 80878465.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56487803) 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, 137908 + ... + 138316.

Almost surely, 2^56487808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56487808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61475400).

56487808 is an abundant number, since it is smaller than the sum of its proper divisors (66462992).

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

56487808 is a wasteful number, since it uses less digits than its factorization.

56487808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 56487808 is about 7515.8371456545. The cubic root of 56487808 is about 383.6939111721.

It can be divided in two parts, 5648 and 7808, that added together give a square (13456 = 116²).

The spelling of 56487808 in words is "fifty-six million, four hundred eighty-seven thousand, eight hundred eight".