56584398 has 64 divisors (see below), whose sum is σ = 130394880. Its totient is φ = 16215552.

The previous prime is 56584349. The next prime is 56584399. The reversal of 56584398 is 89348565.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56584399) 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, 184161 + ... + 184467.

It is an arithmetic number, because the mean of its divisors is an integer number (2037420).

Almost surely, 2^56584398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56584398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65197440).

56584398 is an abundant number, since it is smaller than the sum of its proper divisors (73810482).

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

56584398 is a wasteful number, since it uses less digits than its factorization.

56584398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its digits is 1036800, while the sum is 48.

The square root of 56584398 is about 7522.2601656683. The cubic root of 56584398 is about 383.9124827682.

The spelling of 56584398 in words is "fifty-six million, five hundred eighty-four thousand, three hundred ninety-eight".