56136657 has 8 divisors (see below), whose sum is σ = 74953120. Its totient is φ = 37372320.

The previous prime is 56136649. The next prime is 56136673. The reversal of 56136657 is 75663165.

56136657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56136657 - 2³ = 56136649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56136617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10444 + ... + 14877.

It is an arithmetic number, because the mean of its divisors is an integer number (9369140).

Almost surely, 2^56136657 is an apocalyptic number.

It is an amenable number.

56136657 is a deficient number, since it is larger than the sum of its proper divisors (18816463).

56136657 is a wasteful number, since it uses less digits than its factorization.

56136657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26063.

The product of its digits is 113400, while the sum is 39.

The square root of 56136657 is about 7492.4399897497. The cubic root of 56136657 is about 382.8971926022.

The spelling of 56136657 in words is "fifty-six million, one hundred thirty-six thousand, six hundred fifty-seven".