51630347200 has 84 divisors (see below), whose sum is σ = 131423831640. Its totient is φ = 19939978240.

The previous prime is 51630347189. The next prime is 51630347203. The reversal of 51630347200 is 274303615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51630347203) by changing a digit.

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, 509962 + ... + 602761.

Almost surely, 2^51630347200 is an apocalyptic number.

51630347200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51630347200 is an abundant number, since it is smaller than the sum of its proper divisors (79793484440).

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

51630347200 is a wasteful number, since it uses less digits than its factorization.

51630347200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112774 (or 1112759 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 51630347200 in words is "fifty-one billion, six hundred thirty million, three hundred forty-seven thousand, two hundred".