53053539 has 24 divisors (see below), whose sum is σ = 88865280. Its totient is φ = 27558960.

The previous prime is 53053537. The next prime is 53053547. The reversal of 53053539 is 93535035.

It is not a de Polignac number, because 53053539 - 2¹ = 53053537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (53053531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7899 + ... + 12980.

It is an arithmetic number, because the mean of its divisors is an integer number (3702720).

Almost surely, 2^53053539 is an apocalyptic number.

53053539 is a deficient number, since it is larger than the sum of its proper divisors (35811741).

53053539 is a wasteful number, since it uses less digits than its factorization.

53053539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20911 (or 20900 counting only the distinct ones).

The product of its (nonzero) digits is 30375, while the sum is 33.

The square root of 53053539 is about 7283.7860347487. The cubic root of 53053539 is about 375.7550157386.

The spelling of 53053539 in words is "fifty-three million, fifty-three thousand, five hundred thirty-nine".