51895262800 has 30 divisors (see below), whose sum is σ = 124678369838. Its totient is φ = 20758104960.

The previous prime is 51895262743. The next prime is 51895262933. The reversal of 51895262800 is 826259815.

It can be written as a sum of positive squares in 3 ways, for example, as 15178816 + 51880083984 = 3896^2 + 227772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64868679 + ... + 64869478.

Almost surely, 2^51895262800 is an apocalyptic number.

51895262800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51895262800 is an abundant number, since it is smaller than the sum of its proper divisors (72783107038).

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

51895262800 is a wasteful number, since it uses less digits than its factorization.

51895262800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129738175 (or 129738164 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 51895262800 in words is "fifty-one billion, eight hundred ninety-five million, two hundred sixty-two thousand, eight hundred".