56618058 has 64 divisors (see below), whose sum is σ = 138101760. Its totient is φ = 15105792.

The previous prime is 56618053. The next prime is 56618071. The reversal of 56618058 is 85081665.

It is a super-3 number, since 3×56618058³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56618053) 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, 127585 + ... + 128027.

It is an arithmetic number, because the mean of its divisors is an integer number (2157840).

Almost surely, 2^56618058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56618058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69050880).

56618058 is an abundant number, since it is smaller than the sum of its proper divisors (81483702).

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

56618058 is a wasteful number, since it uses less digits than its factorization.

56618058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651.

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

The square root of 56618058 is about 7524.4971925040. The cubic root of 56618058 is about 383.9885928686.

The spelling of 56618058 in words is "fifty-six million, six hundred eighteen thousand, fifty-eight".