53570520 has 96 divisors (see below), whose sum is σ = 176782320. Its totient is φ = 14065920.

The previous prime is 53570509. The next prime is 53570527. The reversal of 53570520 is 2507535.

It is a super-2 number, since 2×53570520² = 5739601226140800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53570527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23010 + ... + 25230.

Almost surely, 2^53570520 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 53570520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88391160).

53570520 is an abundant number, since it is smaller than the sum of its proper divisors (123211800).

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

53570520 is a wasteful number, since it uses less digits than its factorization.

53570520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2298 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 53570520 is about 7319.1884796062. The cubic root of 53570520 is about 376.9715893944.

The spelling of 53570520 in words is "fifty-three million, five hundred seventy thousand, five hundred twenty".