51830900 has 36 divisors (see below), whose sum is σ = 122700480. Its totient is φ = 18847200.

The previous prime is 51830899. The next prime is 51830941. The reversal of 51830900 is 903815.

It is a self number, because there is not a number n which added to its sum of digits gives 51830900.

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, 22460 + ... + 24659.

Almost surely, 2^51830900 is an apocalyptic number.

51830900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51830900 is an abundant number, since it is smaller than the sum of its proper divisors (70869580).

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

51830900 is a wasteful number, since it uses less digits than its factorization.

51830900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47144 (or 47137 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 51830900 is about 7199.3680278202. The cubic root of 51830900 is about 372.8460816786.

The spelling of 51830900 in words is "fifty-one million, eight hundred thirty thousand, nine hundred".