53559131 has 2 divisors, whose sum is σ = 53559132. Its totient is φ = 53559130.

The previous prime is 53559101. The next prime is 53559139. The reversal of 53559131 is 13195535.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53559131 - 2¹⁴ = 53542747 is a prime.

It is a super-2 number, since 2×53559131² = 5737161026950322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53559139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26779565 + 26779566.

It is an arithmetic number, because the mean of its divisors is an integer number (26779566).

Almost surely, 2^53559131 is an apocalyptic number.

53559131 is a deficient number, since it is larger than the sum of its proper divisors (1).

53559131 is an equidigital number, since it uses as much as digits as its factorization.

53559131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10125, while the sum is 32.

The square root of 53559131 is about 7318.4104148374. The cubic root of 53559131 is about 376.9448729982.

The spelling of 53559131 in words is "fifty-three million, five hundred fifty-nine thousand, one hundred thirty-one".