53136516 has 12 divisors (see below), whose sum is σ = 123985232. Its totient is φ = 17712168.

The previous prime is 53136469. The next prime is 53136541. The reversal of 53136516 is 61563135.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2214010 + ... + 2214033.

Almost surely, 2^53136516 is an apocalyptic number.

It is an amenable number.

53136516 is an abundant number, since it is smaller than the sum of its proper divisors (70848716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53136516 is a wasteful number, since it uses less digits than its factorization.

53136516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428050 (or 4428048 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 53136516 is about 7289.4798168319. The cubic root of 53136516 is about 375.9508102997.

The spelling of 53136516 in words is "fifty-three million, one hundred thirty-six thousand, five hundred sixteen".