56506651 has 8 divisors (see below), whose sum is σ = 57988224. Its totient is φ = 55030080.

The previous prime is 56506631. The next prime is 56506669. The reversal of 56506651 is 15660565.

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 56506651 - 2²³ = 48118043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56506631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34585 + ... + 36181.

It is an arithmetic number, because the mean of its divisors is an integer number (7248528).

Almost surely, 2^56506651 is an apocalyptic number.

56506651 is a deficient number, since it is larger than the sum of its proper divisors (1481573).

56506651 is a wasteful number, since it uses less digits than its factorization.

56506651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 56506651 is about 7517.0905941062. The cubic root of 56506651 is about 383.7365701744.

The spelling of 56506651 in words is "fifty-six million, five hundred six thousand, six hundred fifty-one".