53275500 has 72 divisors (see below), whose sum is σ = 168080640. Its totient is φ = 14205600.

The previous prime is 53275477. The next prime is 53275513. The reversal of 53275500 is 557235.

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, 1420 + ... + 10419.

Almost surely, 2^53275500 is an apocalyptic number.

53275500 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 53275500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84040320).

53275500 is an abundant number, since it is smaller than the sum of its proper divisors (114805140).

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

53275500 is a wasteful number, since it uses less digits than its factorization.

53275500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11864 (or 11849 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 53275500 is about 7299.0067817478. The cubic root of 53275500 is about 376.2783042176.

The spelling of 53275500 in words is "fifty-three million, two hundred seventy-five thousand, five hundred".