56052216 has 128 divisors (see below), whose sum is σ = 175564800. Its totient is φ = 16416000.

The previous prime is 56052203. The next prime is 56052233. The reversal of 56052216 is 61225065.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 56052216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73276 + ... + 74036.

It is an arithmetic number, because the mean of its divisors is an integer number (1371600).

Almost surely, 2^56052216 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 56052216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87782400).

56052216 is an abundant number, since it is smaller than the sum of its proper divisors (119512584).

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

56052216 is a wasteful number, since it uses less digits than its factorization.

56052216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 56052216 is about 7486.8027889080. The cubic root of 56052216 is about 382.7051110608.

The spelling of 56052216 in words is "fifty-six million, fifty-two thousand, two hundred sixteen".