56220325 has 24 divisors (see below), whose sum is σ = 80405568. Its totient is φ = 38196480.

The previous prime is 56220323. The next prime is 56220341. The reversal of 56220325 is 52302265.

It is not a de Polignac number, because 56220325 - 2¹ = 56220323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56220325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56220323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18354 + ... + 21196.

It is an arithmetic number, because the mean of its divisors is an integer number (3350232).

Almost surely, 2^56220325 is an apocalyptic number.

It is an amenable number.

56220325 is a deficient number, since it is larger than the sum of its proper divisors (24185243).

56220325 is a wasteful number, since it uses less digits than its factorization.

56220325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 56220325 is about 7498.0214056776. The cubic root of 56220325 is about 383.0873258783.

The spelling of 56220325 in words is "fifty-six million, two hundred twenty thousand, three hundred twenty-five".