53573520 has 320 divisors, whose sum is σ = 223985664. Its totient is φ = 10229760.

The previous prime is 53573497. The next prime is 53573539. The reversal of 53573520 is 2537535.

53573520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 240129 + ... + 240351.

Almost surely, 2^53573520 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 53573520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111992832).

53573520 is an abundant number, since it is smaller than the sum of its proper divisors (170412144).

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

53573520 is a wasteful number, since it uses less digits than its factorization.

53573520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 53573520 is about 7319.3934174903. The cubic root of 53573520 is about 376.9786261854.

The spelling of 53573520 in words is "fifty-three million, five hundred seventy-three thousand, five hundred twenty".