56058618 has 64 divisors (see below), whose sum is σ = 141834240. Its totient is φ = 14347200.

The previous prime is 56058617. The next prime is 56058631. The reversal of 56058618 is 81685065.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56058617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31948 + ... + 33656.

It is an arithmetic number, because the mean of its divisors is an integer number (2216160).

Almost surely, 2^56058618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56058618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70917120).

56058618 is an abundant number, since it is smaller than the sum of its proper divisors (85775622).

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

56058618 is a wasteful number, since it uses less digits than its factorization.

56058618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 56058618 is about 7487.2303290336. The cubic root of 56058618 is about 382.7196807188.

The spelling of 56058618 in words is "fifty-six million, fifty-eight thousand, six hundred eighteen".