51634923200 has 168 divisors, whose sum is σ = 145511520000. Its totient is φ = 17666012160.

The previous prime is 51634923161. The next prime is 51634923227. The reversal of 51634923200 is 232943615.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 5584181 + ... + 5593419.

It is an arithmetic number, because the mean of its divisors is an integer number (866140000).

Almost surely, 2^51634923200 is an apocalyptic number.

51634923200 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 51634923200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72755760000).

51634923200 is an abundant number, since it is smaller than the sum of its proper divisors (93876596800).

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

51634923200 is a wasteful number, since it uses less digits than its factorization.

51634923200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9767 (or 9752 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 51634923200 in words is "fifty-one billion, six hundred thirty-four million, nine hundred twenty-three thousand, two hundred".