51914745800 has 48 divisors (see below), whose sum is σ = 121368729300. Its totient is φ = 20651155200.

The previous prime is 51914745797. The next prime is 51914745829. The reversal of 51914745800 is 854741915.

It can be written as a sum of positive squares in 6 ways, for example, as 18063897604 + 33850848196 = 134402^2 + 183986^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 680855 + ... + 753254.

Almost surely, 2^51914745800 is an apocalyptic number.

51914745800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51914745800 is an abundant number, since it is smaller than the sum of its proper divisors (69453983500).

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

51914745800 is a wasteful number, since it uses less digits than its factorization.

51914745800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434306 (or 1434297 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 51914745800 in words is "fifty-one billion, nine hundred fourteen million, seven hundred forty-five thousand, eight hundred".