56304290 has 32 divisors (see below), whose sum is σ = 117797760. Its totient is φ = 18975744.

The previous prime is 56304247. The next prime is 56304293. The reversal of 56304290 is 9240365.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56304293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2687 + ... + 10946.

It is an arithmetic number, because the mean of its divisors is an integer number (3681180).

Almost surely, 2^56304290 is an apocalyptic number.

56304290 is an abundant number, since it is smaller than the sum of its proper divisors (61493470).

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

56304290 is a wasteful number, since it uses less digits than its factorization.

56304290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13706.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 56304290 is about 7503.6184604496. The cubic root of 56304290 is about 383.2779445281.

The spelling of 56304290 in words is "fifty-six million, three hundred four thousand, two hundred ninety".