53108812 has 12 divisors (see below), whose sum is σ = 92992536. Its totient is φ = 26539520.

The previous prime is 53108807. The next prime is 53108813. The reversal of 53108812 is 21880135.

It is not an unprimeable number, because it can be changed into a prime (53108813) 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, 9612 + ... + 14092.

It is an arithmetic number, because the mean of its divisors is an integer number (7749378).

Almost surely, 2^53108812 is an apocalyptic number.

It is an amenable number.

53108812 is a deficient number, since it is larger than the sum of its proper divisors (39883724).

53108812 is a wasteful number, since it uses less digits than its factorization.

53108812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448 (or 7446 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 53108812 is about 7287.5792963096. The cubic root of 53108812 is about 375.8854619438.

Adding to 53108812 its reverse (21880135), we get a palindrome (74988947).

The spelling of 53108812 in words is "fifty-three million, one hundred eight thousand, eight hundred twelve".