56843864 has 48 divisors (see below), whose sum is σ = 133904400. Its totient is φ = 22144320.

The previous prime is 56843851. The next prime is 56843867. The reversal of 56843864 is 46834865.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56843867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2582 + ... + 10970.

It is an arithmetic number, because the mean of its divisors is an integer number (2789675).

Almost surely, 2^56843864 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 56843864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66952200).

56843864 is an abundant number, since it is smaller than the sum of its proper divisors (77060536).

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

56843864 is a wasteful number, since it uses less digits than its factorization.

56843864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8424 (or 8409 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 56843864 is about 7539.4869852000. The cubic root of 56843864 is about 384.4983943751.

The spelling of 56843864 in words is "fifty-six million, eight hundred forty-three thousand, eight hundred sixty-four".