53287800 has 48 divisors (see below), whose sum is σ = 165194040. Its totient is φ = 14209920.

The previous prime is 53287789. The next prime is 53287813. The reversal of 53287800 is 878235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43807 + ... + 45006.

Almost surely, 2^53287800 is an apocalyptic number.

53287800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53287800 is an abundant number, since it is smaller than the sum of its proper divisors (111906240).

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

53287800 is a wasteful number, since it uses less digits than its factorization.

53287800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88832 (or 88823 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 53287800 is about 7299.8493135133. The cubic root of 53287800 is about 376.3072597851.

The spelling of 53287800 in words is "fifty-three million, two hundred eighty-seven thousand, eight hundred".