56252361228 has 72 divisors (see below), whose sum is σ = 159323496192. Its totient is φ = 15373312416.

The previous prime is 56252361223. The next prime is 56252361239. The reversal of 56252361228 is 82216325265.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 56252361228.

It is not an unprimeable number, because it can be changed into a prime (56252361223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2066200 + ... + 2093247.

It is an arithmetic number, because the mean of its divisors is an integer number (2212826336).

Almost surely, 2^56252361228 is an apocalyptic number.

It is an amenable number.

56252361228 is an abundant number, since it is smaller than the sum of its proper divisors (103071134964).

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

56252361228 is a wasteful number, since it uses less digits than its factorization.

56252361228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159491 (or 4159482 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The spelling of 56252361228 in words is "fifty-six billion, two hundred fifty-two million, three hundred sixty-one thousand, two hundred twenty-eight".