56347566 has 32 divisors (see below), whose sum is σ = 123206400. Its totient is φ = 17038080.

The previous prime is 56347561. The next prime is 56347567. The reversal of 56347566 is 66574365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56347561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60190 + ... + 61118.

It is an arithmetic number, because the mean of its divisors is an integer number (3850200).

Almost surely, 2^56347566 is an apocalyptic number.

56347566 is an abundant number, since it is smaller than the sum of its proper divisors (66858834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56347566 is a wasteful number, since it uses less digits than its factorization.

56347566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its digits is 453600, while the sum is 42.

The square root of 56347566 is about 7506.5015819621. The cubic root of 56347566 is about 383.3761163759.

The spelling of 56347566 in words is "fifty-six million, three hundred forty-seven thousand, five hundred sixty-six".