53558231 has 2 divisors, whose sum is σ = 53558232. Its totient is φ = 53558230.

The previous prime is 53558213. The next prime is 53558251. The reversal of 53558231 is 13285535.

Together with previous prime (53558213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53558231 - 2¹⁴ = 53541847 is a prime.

It is a super-2 number, since 2×53558231² = 5736968215698722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53558201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26779115 + 26779116.

It is an arithmetic number, because the mean of its divisors is an integer number (26779116).

Almost surely, 2^53558231 is an apocalyptic number.

53558231 is a deficient number, since it is larger than the sum of its proper divisors (1).

53558231 is an equidigital number, since it uses as much as digits as its factorization.

53558231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 32.

The square root of 53558231 is about 7318.3489258165. The cubic root of 53558231 is about 376.9427616104.

The spelling of 53558231 in words is "fifty-three million, five hundred fifty-eight thousand, two hundred thirty-one".