56136566 has 8 divisors (see below), whose sum is σ = 84516384. Its totient is φ = 27964440.

The previous prime is 56136557. The next prime is 56136581. The reversal of 56136566 is 66563165.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51245 + ... + 52328.

It is an arithmetic number, because the mean of its divisors is an integer number (10564548).

Almost surely, 2^56136566 is an apocalyptic number.

56136566 is a deficient number, since it is larger than the sum of its proper divisors (28379818).

56136566 is a wasteful number, since it uses less digits than its factorization.

56136566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103846.

The product of its digits is 97200, while the sum is 38.

The square root of 56136566 is about 7492.4339169592. The cubic root of 56136566 is about 382.8969857044.

The spelling of 56136566 in words is "fifty-six million, one hundred thirty-six thousand, five hundred sixty-six".