53299116 has 72 divisors (see below), whose sum is σ = 147549584. Its totient is φ = 16122240.

The previous prime is 53299109. The next prime is 53299157. The reversal of 53299116 is 61199235.

53299116 is a `hidden beast` number, since 532 + 9 + 9 + 116 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27615 + ... + 29481.

Almost surely, 2^53299116 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 53299116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73774792).

53299116 is an abundant number, since it is smaller than the sum of its proper divisors (94250468).

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

53299116 is a wasteful number, since it uses less digits than its factorization.

53299116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951 (or 1946 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 53299116 is about 7300.6243568615. The cubic root of 53299116 is about 376.3338949721. Note that the first 3 decimals are identical.

The spelling of 53299116 in words is "fifty-three million, two hundred ninety-nine thousand, one hundred sixteen".