53187108 has 48 divisors (see below), whose sum is σ = 134158080. Its totient is φ = 16303104.

The previous prime is 53187089. The next prime is 53187149. The reversal of 53187108 is 80178135.

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 15 ways as a sum of consecutive naturals, for example, 56788 + ... + 57716.

It is an arithmetic number, because the mean of its divisors is an integer number (2794960).

Almost surely, 2^53187108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53187108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67079040).

53187108 is an abundant number, since it is smaller than the sum of its proper divisors (80970972).

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

53187108 is a wasteful number, since it uses less digits than its factorization.

53187108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 53187108 is about 7292.9491976840. The cubic root of 53187108 is about 376.0700884131.

The spelling of 53187108 in words is "fifty-three million, one hundred eighty-seven thousand, one hundred eight".