56013066 has 32 divisors (see below), whose sum is σ = 126590400. Its totient is φ = 18353520.

The previous prime is 56013059. The next prime is 56013091. The reversal of 56013066 is 66031065.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5605 + ... + 11976.

It is an arithmetic number, because the mean of its divisors is an integer number (3955950).

Almost surely, 2^56013066 is an apocalyptic number.

56013066 is an abundant number, since it is smaller than the sum of its proper divisors (70577334).

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

56013066 is a wasteful number, since it uses less digits than its factorization.

56013066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17651 (or 17645 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 56013066 is about 7484.1877314776. The cubic root of 56013066 is about 382.6159894297.

The spelling of 56013066 in words is "fifty-six million, thirteen thousand, sixty-six".