56104590 has 64 divisors (see below), whose sum is σ = 148801536. Its totient is φ = 13466112.

The previous prime is 56104583. The next prime is 56104627. The reversal of 56104590 is 9540165.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9339 + ... + 14121.

It is an arithmetic number, because the mean of its divisors is an integer number (2325024).

Almost surely, 2^56104590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56104590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74400768).

56104590 is an abundant number, since it is smaller than the sum of its proper divisors (92696946).

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

56104590 is a wasteful number, since it uses less digits than its factorization.

56104590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 56104590 is about 7490.2997269802. The cubic root of 56104590 is about 382.8242711305.

The spelling of 56104590 in words is "fifty-six million, one hundred four thousand, five hundred ninety".