56138883 has 16 divisors (see below), whose sum is σ = 78328320. Its totient is φ = 35697024.

The previous prime is 56138869. The next prime is 56138897. The reversal of 56138883 is 38883165.

It is an interprime number because it is at equal distance from previous prime (56138869) and next prime (56138897).

It is not a de Polignac number, because 56138883 - 2¹³ = 56130691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56138813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28938 + ... + 30816.

It is an arithmetic number, because the mean of its divisors is an integer number (4895520).

Almost surely, 2^56138883 is an apocalyptic number.

56138883 is a deficient number, since it is larger than the sum of its proper divisors (22189437).

56138883 is a wasteful number, since it uses less digits than its factorization.

56138883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338.

The product of its digits is 138240, while the sum is 42.

The square root of 56138883 is about 7492.5885380154. The cubic root of 56138883 is about 382.9022535727.

The spelling of 56138883 in words is "fifty-six million, one hundred thirty-eight thousand, eight hundred eighty-three".