56891704 has 8 divisors (see below), whose sum is σ = 106671960. Its totient is φ = 28445848.

The previous prime is 56891701. The next prime is 56891759. The reversal of 56891704 is 40719865.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56891701) 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 as a sum of consecutive naturals, namely, 3555724 + ... + 3555739.

It is an arithmetic number, because the mean of its divisors is an integer number (13333995).

Almost surely, 2^56891704 is an apocalyptic number.

It is an amenable number.

56891704 is a deficient number, since it is larger than the sum of its proper divisors (49780256).

56891704 is a wasteful number, since it uses less digits than its factorization.

56891704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111469 (or 7111465 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 56891704 is about 7542.6589476126. The cubic root of 56891704 is about 384.6062292057.

The spelling of 56891704 in words is "fifty-six million, eight hundred ninety-one thousand, seven hundred four".