56138052 has 48 divisors (see below), whose sum is σ = 133499520. Its totient is φ = 18358272.

The previous prime is 56138041. The next prime is 56138057. The reversal of 56138052 is 25083165.

It is not an unprimeable number, because it can be changed into a prime (56138057) by changing a digit.

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, 218308 + ... + 218564.

It is an arithmetic number, because the mean of its divisors is an integer number (2781240).

Almost surely, 2^56138052 is an apocalyptic number.

It is an amenable number.

56138052 is an abundant number, since it is smaller than the sum of its proper divisors (77361468).

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

56138052 is a wasteful number, since it uses less digits than its factorization.

56138052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 56138052 is about 7492.5330830100. The cubic root of 56138052 is about 382.9003642503.

The spelling of 56138052 in words is "fifty-six million, one hundred thirty-eight thousand, fifty-two".