53120231 has 2 divisors, whose sum is σ = 53120232. Its totient is φ = 53120230.

The previous prime is 53120209. The next prime is 53120251. The reversal of 53120231 is 13202135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53120231 - 2¹⁸ = 52858087 is a prime.

It is a super-2 number, since 2×53120231² = 5643517882986722, 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 (53120251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26560115 + 26560116.

It is an arithmetic number, because the mean of its divisors is an integer number (26560116).

Almost surely, 2^53120231 is an apocalyptic number.

53120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

53120231 is an equidigital number, since it uses as much as digits as its factorization.

53120231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 53120231 is about 7288.3627105132. The cubic root of 53120231 is about 375.9123998997.

Adding to 53120231 its reverse (13202135), we get a palindrome (66322366).

The spelling of 53120231 in words is "fifty-three million, one hundred twenty thousand, two hundred thirty-one".