56136136 has 32 divisors (see below), whose sum is σ = 121824000. Its totient is φ = 23751936.

The previous prime is 56136121. The next prime is 56136139. The reversal of 56136136 is 63163165.

It is a junction number, because it is equal to n+sod(n) for n = 56136098 and 56136107.

It is not an unprimeable number, because it can be changed into a prime (56136139) 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 7 ways as a sum of consecutive naturals, for example, 1921 + ... + 10768.

It is an arithmetic number, because the mean of its divisors is an integer number (3807000).

Almost surely, 2^56136136 is an apocalyptic number.

56136136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56136136 is an abundant number, since it is smaller than the sum of its proper divisors (65687864).

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

56136136 is a wasteful number, since it uses less digits than its factorization.

56136136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12781 (or 12777 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 56136136 is about 7492.4052212891. The cubic root of 56136136 is about 382.8960080521.

The spelling of 56136136 in words is "fifty-six million, one hundred thirty-six thousand, one hundred thirty-six".