53231599 has 2 divisors, whose sum is σ = 53231600. Its totient is φ = 53231598.

The previous prime is 53231593. The next prime is 53231609. The reversal of 53231599 is 99513235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53231599 - 2¹⁷ = 53100527 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53231593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26615799 + 26615800.

It is an arithmetic number, because the mean of its divisors is an integer number (26615800).

Almost surely, 2^53231599 is an apocalyptic number.

53231599 is a deficient number, since it is larger than the sum of its proper divisors (1).

53231599 is an equidigital number, since it uses as much as digits as its factorization.

53231599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 37.

The square root of 53231599 is about 7295.9988349780. The cubic root of 53231599 is about 376.1749200270.

It can be divided in two parts, 532 and 31599, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 53231599 in words is "fifty-three million, two hundred thirty-one thousand, five hundred ninety-nine".