51983923200 has 432 divisors, whose sum is σ = 188962202520. Its totient is φ = 12597657600.

The previous prime is 51983923177. The next prime is 51983923223. The reversal of 51983923200 is 232938915.

It is an interprime number because it is at equal distance from previous prime (51983923177) and next prime (51983923223).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18584202 + ... + 18586998.

Almost surely, 2^51983923200 is an apocalyptic number.

51983923200 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 51983923200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94481101260).

51983923200 is an abundant number, since it is smaller than the sum of its proper divisors (136978279320).

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

51983923200 is a wasteful number, since it uses less digits than its factorization.

51983923200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854 (or 2818 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 51983923200 in words is "fifty-one billion, nine hundred eighty-three million, nine hundred twenty-three thousand, two hundred".