53331900 has 72 divisors (see below), whose sum is σ = 155042160. Its totient is φ = 14154240.

The previous prime is 53331881. The next prime is 53331923. The reversal of 53331900 is 913335.

It is a super-2 number, since 2×53331900² = 5688583115220000, 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 23 ways as a sum of consecutive naturals, for example, 116472 + ... + 116928.

Almost surely, 2^53331900 is an apocalyptic number.

53331900 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 53331900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77521080).

53331900 is an abundant number, since it is smaller than the sum of its proper divisors (101710260).

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

53331900 is a wasteful number, since it uses less digits than its factorization.

53331900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 24.

The square root of 53331900 is about 7302.8692991180. The cubic root of 53331900 is about 376.4110394764.

The spelling of 53331900 in words is "fifty-three million, three hundred thirty-one thousand, nine hundred".