56106664 has 32 divisors (see below), whose sum is σ = 111735720. Its totient is φ = 26320896.

The previous prime is 56106649. The next prime is 56106667. The reversal of 56106664 is 46660165.

It can be written as a sum of positive squares in 4 ways, for example, as 32970564 + 23136100 = 5742^2 + 4810^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (56106667) 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, 83032 + ... + 83704.

Almost surely, 2^56106664 is an apocalyptic number.

It is an amenable number.

56106664 is a deficient number, since it is larger than the sum of its proper divisors (55629056).

56106664 is a wasteful number, since it uses less digits than its factorization.

56106664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 56106664 is about 7490.4381714290. The cubic root of 56106664 is about 382.8289883188.

The spelling of 56106664 in words is "fifty-six million, one hundred six thousand, six hundred sixty-four".