53108904 has 16 divisors (see below), whose sum is σ = 132772320. Its totient is φ = 17702960.

The previous prime is 53108893. The next prime is 53108917. The reversal of 53108904 is 40980135.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106412 + ... + 1106459.

It is an arithmetic number, because the mean of its divisors is an integer number (8298270).

Almost surely, 2^53108904 is an apocalyptic number.

It is an amenable number.

53108904 is an abundant number, since it is smaller than the sum of its proper divisors (79663416).

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

53108904 is a wasteful number, since it uses less digits than its factorization.

53108904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212880 (or 2212876 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 53108904 is about 7287.5856084165. The cubic root of 53108904 is about 375.8856789916.

The spelling of 53108904 in words is "fifty-three million, one hundred eight thousand, nine hundred four".