56258780 has 48 divisors (see below), whose sum is σ = 125719776. Its totient is φ = 21073920.

The previous prime is 56258777. The next prime is 56258809. The reversal of 56258780 is 8785265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114335 + ... + 114825.

It is an arithmetic number, because the mean of its divisors is an integer number (2619162).

Almost surely, 2^56258780 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 56258780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62859888).

56258780 is an abundant number, since it is smaller than the sum of its proper divisors (69460996).

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

56258780 is a wasteful number, since it uses less digits than its factorization.

56258780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 56258780 is about 7500.5853104941. The cubic root of 56258780 is about 383.1746505576.

The spelling of 56258780 in words is "fifty-six million, two hundred fifty-eight thousand, seven hundred eighty".