56490876 has 72 divisors (see below), whose sum is σ = 161899920. Its totient is φ = 16464384.

The previous prime is 56490859. The next prime is 56490877. The reversal of 56490876 is 67809465.

56490876 is a `hidden beast` number, since 564 + 9 + 0 + 87 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56490877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5716 + ... + 12068.

It is an arithmetic number, because the mean of its divisors is an integer number (2248610).

Almost surely, 2^56490876 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 56490876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80949960).

56490876 is an abundant number, since it is smaller than the sum of its proper divisors (105409044).

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

56490876 is a wasteful number, since it uses less digits than its factorization.

56490876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395 (or 6390 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 56490876 is about 7516.0412452301. The cubic root of 56490876 is about 383.7008575183.

The spelling of 56490876 in words is "fifty-six million, four hundred ninety thousand, eight hundred seventy-six".