53255320 has 16 divisors (see below), whose sum is σ = 119824560. Its totient is φ = 21302112.

The previous prime is 53255311. The next prime is 53255341. The reversal of 53255320 is 2355235.

It is a super-2 number, since 2×53255320² = 5672258216604800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665652 + ... + 665731.

It is an arithmetic number, because the mean of its divisors is an integer number (7489035).

Almost surely, 2^53255320 is an apocalyptic number.

It is an amenable number.

53255320 is an abundant number, since it is smaller than the sum of its proper divisors (66569240).

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

53255320 is a wasteful number, since it uses less digits than its factorization.

53255320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331394 (or 1331390 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 53255320 is about 7297.6242709528. The cubic root of 53255320 is about 376.2307885983.

The spelling of 53255320 in words is "fifty-three million, two hundred fifty-five thousand, three hundred twenty".