56226140 has 48 divisors (see below), whose sum is σ = 127116864. Its totient is φ = 20812800.

The previous prime is 56226127. The next prime is 56226151. The reversal of 56226140 is 4162265.

It is a super-2 number, since 2×56226140² = 6322757638599200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19385 + ... + 22095.

It is an arithmetic number, because the mean of its divisors is an integer number (2648268).

Almost surely, 2^56226140 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 56226140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63558432).

56226140 is an abundant number, since it is smaller than the sum of its proper divisors (70890724).

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

56226140 is a wasteful number, since it uses less digits than its factorization.

56226140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2796 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 56226140 is about 7498.4091646162. The cubic root of 56226140 is about 383.1005332963.

The spelling of 56226140 in words is "fifty-six million, two hundred twenty-six thousand, one hundred forty".