53012516 has 12 divisors (see below), whose sum is σ = 96805632. Its totient is φ = 25353768.

The previous prime is 53012513. The next prime is 53012521. The reversal of 53012516 is 61521035.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 53012491 and 53012500.

It is not an unprimeable number, because it can be changed into a prime (53012513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288020 + ... + 288203.

It is an arithmetic number, because the mean of its divisors is an integer number (8067136).

Almost surely, 2^53012516 is an apocalyptic number.

It is an amenable number.

53012516 is a deficient number, since it is larger than the sum of its proper divisors (43793116).

53012516 is a wasteful number, since it uses less digits than its factorization.

53012516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576250 (or 576248 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 53012516 is about 7280.9694409467. The cubic root of 53012516 is about 375.6581414424.

The spelling of 53012516 in words is "fifty-three million, twelve thousand, five hundred sixteen".