56904120 has 320 divisors, whose sum is σ = 236617920. Its totient is φ = 11943936.

The previous prime is 56904103. The next prime is 56904131. The reversal of 56904120 is 2140965.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 294744 + ... + 294936.

It is an arithmetic number, because the mean of its divisors is an integer number (739431).

Almost surely, 2^56904120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56904120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118308960).

56904120 is an abundant number, since it is smaller than the sum of its proper divisors (179713800).

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

56904120 is a wasteful number, since it uses less digits than its factorization.

56904120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 56904120 is about 7543.4819546414. The cubic root of 56904120 is about 384.6342058892.

The spelling of 56904120 in words is "fifty-six million, nine hundred four thousand, one hundred twenty".