56689064 has 8 divisors (see below), whose sum is σ = 106292010. Its totient is φ = 28344528.

The previous prime is 56689051. The next prime is 56689079. The reversal of 56689064 is 46098665.

It can be written as a sum of positive squares in only one way, i.e., 34316164 + 22372900 = 5858^2 + 4730^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3543059 + ... + 3543074.

Almost surely, 2^56689064 is an apocalyptic number.

It is an amenable number.

56689064 is a deficient number, since it is larger than the sum of its proper divisors (49602946).

56689064 is a wasteful number, since it uses less digits than its factorization.

56689064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086139 (or 7086135 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 56689064 is about 7529.2140360067. The cubic root of 56689064 is about 384.1490487657.

The spelling of 56689064 in words is "fifty-six million, six hundred eighty-nine thousand, sixty-four".