56871108 has 72 divisors (see below), whose sum is σ = 165681152. Its totient is φ = 16111872.

The previous prime is 56871097. The next prime is 56871119. The reversal of 56871108 is 80117865.

It is an interprime number because it is at equal distance from previous prime (56871097) and next prime (56871119).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31116 + ... + 32892.

Almost surely, 2^56871108 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 56871108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82840576).

56871108 is an abundant number, since it is smaller than the sum of its proper divisors (108810044).

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

56871108 is a wasteful number, since it uses less digits than its factorization.

56871108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1916 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 56871108 is about 7541.2935229972. The cubic root of 56871108 is about 384.5598117409.

56871108 divided by its sum of digits (36) gives a triangular number (1579753 = T₁₇₇₇).

The spelling of 56871108 in words is "fifty-six million, eight hundred seventy-one thousand, one hundred eight".