56693888 has 64 divisors (see below), whose sum is σ = 117816120. Its totient is φ = 27156480.

The previous prime is 56693851. The next prime is 56693893. The reversal of 56693888 is 88839665.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41886784 + 14807104 = 6472^2 + 3848^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413756 + ... + 413892.

Almost surely, 2^56693888 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 56693888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58908060).

56693888 is an abundant number, since it is smaller than the sum of its proper divisors (61122232).

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

56693888 is a wasteful number, since it uses less digits than its factorization.

56693888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 253 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 56693888 is about 7529.5343813545. The cubic root of 56693888 is about 384.1599449440.

The spelling of 56693888 in words is "fifty-six million, six hundred ninety-three thousand, eight hundred eighty-eight".