56225189 has 2 divisors, whose sum is σ = 56225190. Its totient is φ = 56225188.

The previous prime is 56225159. The next prime is 56225201. The reversal of 56225189 is 98152265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45792289 + 10432900 = 6767^2 + 3230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56225189 is a prime.

It is a super-2 number, since 2×56225189² = 6322543756171442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56225119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28112594 + 28112595.

It is an arithmetic number, because the mean of its divisors is an integer number (28112595).

Almost surely, 2^56225189 is an apocalyptic number.

It is an amenable number.

56225189 is a deficient number, since it is larger than the sum of its proper divisors (1).

56225189 is an equidigital number, since it uses as much as digits as its factorization.

56225189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 56225189 is about 7498.3457508973. The cubic root of 56225189 is about 383.0983733836.

The spelling of 56225189 in words is "fifty-six million, two hundred twenty-five thousand, one hundred eighty-nine".