56552272 has 60 divisors (see below), whose sum is σ = 129959316. Its totient is φ = 23761920.

The previous prime is 56552269. The next prime is 56552323. The reversal of 56552272 is 27225565.

It can be written as a sum of positive squares in 2 ways, for example, as 24561936 + 31990336 = 4956^2 + 5656^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40872 + ... + 42232.

Almost surely, 2^56552272 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 56552272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64979658).

56552272 is an abundant number, since it is smaller than the sum of its proper divisors (73407044).

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

56552272 is a wasteful number, since it uses less digits than its factorization.

56552272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436 (or 1423 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 56552272 is about 7520.1244670551. The cubic root of 56552272 is about 383.8398131058.

The spelling of 56552272 in words is "fifty-six million, five hundred fifty-two thousand, two hundred seventy-two".