53099520 has 88 divisors (see below), whose sum is σ = 169884624. Its totient is φ = 14155776.

The previous prime is 53099513. The next prime is 53099531. The reversal of 53099520 is 2599035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13632 + ... + 17088.

Almost surely, 2^53099520 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 53099520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84942312).

53099520 is an abundant number, since it is smaller than the sum of its proper divisors (116785104).

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

53099520 is a wasteful number, since it uses less digits than its factorization.

53099520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485 (or 3467 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 53099520 is about 7286.9417453415. The cubic root of 53099520 is about 375.8635388310.

The spelling of 53099520 in words is "fifty-three million, ninety-nine thousand, five hundred twenty".