56033688 has 64 divisors (see below), whose sum is σ = 145692000. Its totient is φ = 17943552.

The previous prime is 56033671. The next prime is 56033693. The reversal of 56033688 is 88633065.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78678 + ... + 79386.

Almost surely, 2^56033688 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 56033688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72846000).

56033688 is an abundant number, since it is smaller than the sum of its proper divisors (89658312).

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

56033688 is a wasteful number, since it uses less digits than its factorization.

56033688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 56033688 is about 7485.5653093137. The cubic root of 56033688 is about 382.6629388255.

The spelling of 56033688 in words is "fifty-six million, thirty-three thousand, six hundred eighty-eight".