53315265 has 24 divisors (see below), whose sum is σ = 89187840. Its totient is φ = 27194464.

The previous prime is 53315243. The next prime is 53315267. The reversal of 53315265 is 56251335.

It is not a de Polignac number, because 53315265 - 2⁶ = 53315201 is a prime.

Its product of digits (13500) is a multiple of the sum of its prime divisors (6750).

It is not an unprimeable number, because it can be changed into a prime (53315267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4576 + ... + 11294.

It is an arithmetic number, because the mean of its divisors is an integer number (3716160).

Almost surely, 2^53315265 is an apocalyptic number.

It is an amenable number.

53315265 is a deficient number, since it is larger than the sum of its proper divisors (35872575).

53315265 is a wasteful number, since it uses less digits than its factorization.

53315265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773 (or 6750 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 53315265 is about 7301.7302743939. The cubic root of 53315265 is about 376.3718993697.

The spelling of 53315265 in words is "fifty-three million, three hundred fifteen thousand, two hundred sixty-five".