56198231 has 2 divisors, whose sum is σ = 56198232. Its totient is φ = 56198230.

The previous prime is 56198161. The next prime is 56198237. The reversal of 56198231 is 13289165.

56198231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56198231 - 2¹⁸ = 55936087 is a prime.

It is a super-2 number, since 2×56198231² = 6316482335058722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56198191 and 56198200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56198237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28099115 + 28099116.

It is an arithmetic number, because the mean of its divisors is an integer number (28099116).

Almost surely, 2^56198231 is an apocalyptic number.

56198231 is a deficient number, since it is larger than the sum of its proper divisors (1).

56198231 is an equidigital number, since it uses as much as digits as its factorization.

56198231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 56198231 is about 7496.5479388849. The cubic root of 56198231 is about 383.0371361983.

The spelling of 56198231 in words is "fifty-six million, one hundred ninety-eight thousand, two hundred thirty-one".