56388033 has 36 divisors (see below), whose sum is σ = 89183952. Its totient is φ = 34313760.

The previous prime is 56388001. The next prime is 56388041. The reversal of 56388033 is 33088365.

56388033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56388033 - 2⁵ = 56388001 is a prime.

It is a super-2 number, since 2×56388033² = 6359220531218178, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56388533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 199110 + ... + 199392.

It is an arithmetic number, because the mean of its divisors is an integer number (2477332).

Almost surely, 2^56388033 is an apocalyptic number.

It is an amenable number.

56388033 is a deficient number, since it is larger than the sum of its proper divisors (32795919).

56388033 is a wasteful number, since it uses less digits than its factorization.

56388033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 56388033 is about 7509.1965615504. The cubic root of 56388033 is about 383.4678705248.

The spelling of 56388033 in words is "fifty-six million, three hundred eighty-eight thousand, thirty-three".