56165651 has 8 divisors (see below), whose sum is σ = 56849664. Its totient is φ = 55486080.

The previous prime is 56165647. The next prime is 56165657. The reversal of 56165651 is 15656165.

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

It is a cyclic number.

It is not a de Polignac number, because 56165651 - 2² = 56165647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56165657) 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, 29051 + ... + 30923.

It is an arithmetic number, because the mean of its divisors is an integer number (7106208).

Almost surely, 2^56165651 is an apocalyptic number.

56165651 is a deficient number, since it is larger than the sum of its proper divisors (684013).

56165651 is a wasteful number, since it uses less digits than its factorization.

56165651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

The product of its digits is 27000, while the sum is 35.

The square root of 56165651 is about 7494.3746236761. The cubic root of 56165651 is about 382.9631020634.

The spelling of 56165651 in words is "fifty-six million, one hundred sixty-five thousand, six hundred fifty-one".