53148515 has 32 divisors (see below), whose sum is σ = 76916736. Its totient is φ = 34467840.

The previous prime is 53148467. The next prime is 53148521. The reversal of 53148515 is 51584135.

It is not a de Polignac number, because 53148515 - 2²⁴ = 36371299 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82595 + ... + 83235.

It is an arithmetic number, because the mean of its divisors is an integer number (2403648).

Almost surely, 2^53148515 is an apocalyptic number.

53148515 is a deficient number, since it is larger than the sum of its proper divisors (23768221).

53148515 is a wasteful number, since it uses less digits than its factorization.

53148515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its digits is 12000, while the sum is 32.

The square root of 53148515 is about 7290.3028057825. The cubic root of 53148515 is about 375.9791065612.

The spelling of 53148515 in words is "fifty-three million, one hundred forty-eight thousand, five hundred fifteen".