51293300 has 36 divisors (see below), whose sum is σ = 111617856. Its totient is φ = 20460000.

The previous prime is 51293287. The next prime is 51293323. The reversal of 51293300 is 339215.

It is a happy number.

51293300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67925 + ... + 68675.

It is an arithmetic number, because the mean of its divisors is an integer number (3100496).

Almost surely, 2^51293300 is an apocalyptic number.

51293300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51293300 is an abundant number, since it is smaller than the sum of its proper divisors (60324556).

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

51293300 is a wasteful number, since it uses less digits than its factorization.

51293300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 51293300 is about 7161.9340963178. The cubic root of 51293300 is about 371.5525220296.

The spelling of 51293300 in words is "fifty-one million, two hundred ninety-three thousand, three hundred".