56700066 has 48 divisors (see below), whose sum is σ = 126876960. Its totient is φ = 16842240.

The previous prime is 56700043. The next prime is 56700097. The reversal of 56700066 is 66000765.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 32086 + ... + 33806.

It is an arithmetic number, because the mean of its divisors is an integer number (2643270).

Almost surely, 2^56700066 is an apocalyptic number.

56700066 is an abundant number, since it is smaller than the sum of its proper divisors (70176894).

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

56700066 is a wasteful number, since it uses less digits than its factorization.

56700066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 56700066 is about 7529.9446213103. The cubic root of 56700066 is about 384.1738985583.

The spelling of 56700066 in words is "fifty-six million, seven hundred thousand, sixty-six".