56032638 has 16 divisors (see below), whose sum is σ = 112170000. Its totient is φ = 18660096.

The previous prime is 56032633. The next prime is 56032657. The reversal of 56032638 is 83623065.

It is a junction number, because it is equal to n+sod(n) for n = 56032599 and 56032608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56032631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3756 + ... + 11232.

It is an arithmetic number, because the mean of its divisors is an integer number (7010625).

Almost surely, 2^56032638 is an apocalyptic number.

56032638 is an abundant number, since it is smaller than the sum of its proper divisors (56137362).

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

56032638 is a wasteful number, since it uses less digits than its factorization.

56032638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 56032638 is about 7485.4951740015. The cubic root of 56032638 is about 382.6605486051.

The spelling of 56032638 in words is "fifty-six million, thirty-two thousand, six hundred thirty-eight".