53245539 has 16 divisors (see below), whose sum is σ = 79143840. Its totient is φ = 35379360.

The previous prime is 53245471. The next prime is 53245559. The reversal of 53245539 is 93554235.

It is not a de Polignac number, because 53245539 - 2¹⁶ = 53180003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53245559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5449 + ... + 11669.

It is an arithmetic number, because the mean of its divisors is an integer number (4946490).

Almost surely, 2^53245539 is an apocalyptic number.

53245539 is a deficient number, since it is larger than the sum of its proper divisors (25898301).

53245539 is a wasteful number, since it uses less digits than its factorization.

53245539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547 (or 6541 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 53245539 is about 7296.9540905778. The cubic root of 53245539 is about 376.2077540379.

The spelling of 53245539 in words is "fifty-three million, two hundred forty-five thousand, five hundred thirty-nine".