53522500 has 60 divisors (see below), whose sum is σ = 118961920. Its totient is φ = 21060000.

The previous prime is 53522479. The next prime is 53522509. The reversal of 53522500 is 522535.

It is not an unprimeable number, because it can be changed into a prime (53522509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 197365 + ... + 197635.

Almost surely, 2^53522500 is an apocalyptic number.

53522500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53522500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59480960).

53522500 is an abundant number, since it is smaller than the sum of its proper divisors (65439420).

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

53522500 is a wasteful number, since it uses less digits than its factorization.

53522500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 53522500 is about 7315.9073258209. The cubic root of 53522500 is about 376.8589180516.

The spelling of 53522500 in words is "fifty-three million, five hundred twenty-two thousand, five hundred".