53155116 has 120 divisors (see below), whose sum is σ = 165876480. Its totient is φ = 14512608.

The previous prime is 53155097. The next prime is 53155117. The reversal of 53155116 is 61155135.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 53155116.

It is not an unprimeable number, because it can be changed into a prime (53155117) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51655 + ... + 52673.

It is an arithmetic number, because the mean of its divisors is an integer number (1382304).

Almost surely, 2^53155116 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 53155116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82938240).

53155116 is an abundant number, since it is smaller than the sum of its proper divisors (112721364).

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

53155116 is a wasteful number, since it uses less digits than its factorization.

53155116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1054 counting only the distinct ones).

The product of its digits is 2250, while the sum is 27.

The square root of 53155116 is about 7290.7555164057. The cubic root of 53155116 is about 375.9946713444.

The spelling of 53155116 in words is "fifty-three million, one hundred fifty-five thousand, one hundred sixteen".