53537539 has 18 divisors (see below), whose sum is σ = 62553092. Its totient is φ = 45777600.

The previous prime is 53537521. The next prime is 53537551. The reversal of 53537539 is 93573535.

It is not a de Polignac number, because 53537539 - 2⁵ = 53537507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53537599) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34204 + ... + 35734.

Almost surely, 2^53537539 is an apocalyptic number.

53537539 is a deficient number, since it is larger than the sum of its proper divisors (9015553).

53537539 is a wasteful number, since it uses less digits than its factorization.

53537539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1559 counting only the distinct ones).

The product of its digits is 212625, while the sum is 40.

The square root of 53537539 is about 7316.9350823962. The cubic root of 53537539 is about 376.8942119343.

The spelling of 53537539 in words is "fifty-three million, five hundred thirty-seven thousand, five hundred thirty-nine".