56042636 has 12 divisors (see below), whose sum is σ = 105618912. Its totient is φ = 25865808.

The previous prime is 56042629. The next prime is 56042639. The reversal of 56042636 is 63624065.

It is not an unprimeable number, because it can be changed into a prime (56042639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538820 + ... + 538923.

It is an arithmetic number, because the mean of its divisors is an integer number (8801576).

Almost surely, 2^56042636 is an apocalyptic number.

It is an amenable number.

56042636 is a deficient number, since it is larger than the sum of its proper divisors (49576276).

56042636 is a wasteful number, since it uses less digits than its factorization.

56042636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077760 (or 1077758 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 56042636 is about 7486.1629691051. The cubic root of 56042636 is about 382.6833068449.

The spelling of 56042636 in words is "fifty-six million, forty-two thousand, six hundred thirty-six".