56506677 has 4 divisors (see below), whose sum is σ = 75342240. Its totient is φ = 37671116.

The previous prime is 56506673. The next prime is 56506693. The reversal of 56506677 is 77660565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56506677 - 2² = 56506673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56506673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9417777 + ... + 9417782.

It is an arithmetic number, because the mean of its divisors is an integer number (18835560).

Almost surely, 2^56506677 is an apocalyptic number.

It is an amenable number.

56506677 is a deficient number, since it is larger than the sum of its proper divisors (18835563).

56506677 is a wasteful number, since it uses less digits than its factorization.

56506677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18835562.

The product of its (nonzero) digits is 264600, while the sum is 42.

The square root of 56506677 is about 7517.0923234985. The cubic root of 56506677 is about 383.7366290297.

The spelling of 56506677 in words is "fifty-six million, five hundred six thousand, six hundred seventy-seven".