53511325 has 24 divisors (see below), whose sum is σ = 80298432. Its totient is φ = 34533120.

The previous prime is 53511259. The next prime is 53511331. The reversal of 53511325 is 52311535.

It is not a de Polignac number, because 53511325 - 2⁷ = 53511197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53511325.

It is a congruent number.

It is an unprimeable number.

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, 6019 + ... + 11968.

It is an arithmetic number, because the mean of its divisors is an integer number (3345768).

Almost surely, 2^53511325 is an apocalyptic number.

It is an amenable number.

53511325 is a deficient number, since it is larger than the sum of its proper divisors (26787107).

53511325 is a wasteful number, since it uses less digits than its factorization.

53511325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18021 (or 18016 counting only the distinct ones).

The product of its digits is 2250, while the sum is 25.

The square root of 53511325 is about 7315.1435392616. The cubic root of 53511325 is about 376.8326880141.

The spelling of 53511325 in words is "fifty-three million, five hundred eleven thousand, three hundred twenty-five".