56228120 has 32 divisors (see below), whose sum is σ = 136246320. Its totient is φ = 20760960.

The previous prime is 56228119. The next prime is 56228147. The reversal of 56228120 is 2182265.

It is a super-3 number, since 3×56228120³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 56228120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53546 + ... + 54585.

Almost surely, 2^56228120 is an apocalyptic number.

It is an amenable number.

56228120 is an abundant number, since it is smaller than the sum of its proper divisors (80018200).

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

56228120 is a wasteful number, since it uses less digits than its factorization.

56228120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108155 (or 108151 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 56228120 is about 7498.5411914585. The cubic root of 56228120 is about 383.1050301973.

It can be divided in two parts, 562 and 28120, that added together give a palindrome (28682).

The spelling of 56228120 in words is "fifty-six million, two hundred twenty-eight thousand, one hundred twenty".