51502876200 has 144 divisors (see below), whose sum is σ = 173121062400. Its totient is φ = 13721616000.

The previous prime is 51502876157. The next prime is 51502876207. The reversal of 51502876200 is 267820515.

It is a happy number.

51502876200 is a `hidden beast` number, since 5 + 1 + 5 + 0 + 28 + 7 + 620 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51502876207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2059371 + ... + 2084229.

It is an arithmetic number, because the mean of its divisors is an integer number (1202229600).

Almost surely, 2^51502876200 is an apocalyptic number.

51502876200 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 51502876200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86560531200).

51502876200 is an abundant number, since it is smaller than the sum of its proper divisors (121618186200).

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

51502876200 is a wasteful number, since it uses less digits than its factorization.

51502876200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26032 (or 26020 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 51502876200 in words is "fifty-one billion, five hundred two million, eight hundred seventy-six thousand, two hundred".