53339916 has 72 divisors (see below), whose sum is σ = 150205440. Its totient is φ = 14429664.

The previous prime is 53339887. The next prime is 53339927. The reversal of 53339916 is 61993335.

It is a congruent number.

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, 29445 + ... + 31203.

Almost surely, 2^53339916 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 53339916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75102720).

53339916 is an abundant number, since it is smaller than the sum of its proper divisors (96865524).

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

53339916 is a wasteful number, since it uses less digits than its factorization.

53339916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811 (or 1790 counting only the distinct ones).

The product of its digits is 65610, while the sum is 39.

The square root of 53339916 is about 7303.4181038744. The cubic root of 53339916 is about 376.4298972316.

The spelling of 53339916 in words is "fifty-three million, three hundred thirty-nine thousand, nine hundred sixteen".