56198226 has 64 divisors (see below), whose sum is σ = 140451840. Its totient is φ = 14618880.

The previous prime is 56198161. The next prime is 56198231. The reversal of 56198226 is 62289165.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20865 + ... + 23403.

It is an arithmetic number, because the mean of its divisors is an integer number (2194560).

Almost surely, 2^56198226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56198226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70225920).

56198226 is an abundant number, since it is smaller than the sum of its proper divisors (84253614).

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

56198226 is a wasteful number, since it uses less digits than its factorization.

56198226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599.

The product of its digits is 51840, while the sum is 39.

The square root of 56198226 is about 7496.5476053981. The cubic root of 56198226 is about 383.0371248386.

The spelling of 56198226 in words is "fifty-six million, one hundred ninety-eight thousand, two hundred twenty-six".