56118828 has 48 divisors (see below), whose sum is σ = 136604160. Its totient is φ = 17908800.

The previous prime is 56118809. The next prime is 56118833. The reversal of 56118828 is 82881165.

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, 44973 + ... + 46203.

It is an arithmetic number, because the mean of its divisors is an integer number (2845920).

Almost surely, 2^56118828 is an apocalyptic number.

56118828 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56118828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68302080).

56118828 is an abundant number, since it is smaller than the sum of its proper divisors (80485332).

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

56118828 is a wasteful number, since it uses less digits than its factorization.

56118828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1396 counting only the distinct ones).

The product of its digits is 30720, while the sum is 39.

The square root of 56118828 is about 7491.2500959453. The cubic root of 56118828 is about 382.8566522658.

The spelling of 56118828 in words is "fifty-six million, one hundred eighteen thousand, eight hundred twenty-eight".