53188916 has 24 divisors (see below), whose sum is σ = 102090240. Its totient is φ = 24046400.

The previous prime is 53188907. The next prime is 53188921. The reversal of 53188916 is 61988135.

53188916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5240 + ... + 11568.

It is an arithmetic number, because the mean of its divisors is an integer number (4253760).

Almost surely, 2^53188916 is an apocalyptic number.

It is an amenable number.

53188916 is a deficient number, since it is larger than the sum of its proper divisors (48901324).

53188916 is a wasteful number, since it uses less digits than its factorization.

53188916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6535 (or 6533 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 53188916 is about 7293.0731519710. The cubic root of 53188916 is about 376.0743496401.

The spelling of 53188916 in words is "fifty-three million, one hundred eighty-eight thousand, nine hundred sixteen".