51571895200 has 288 divisors, whose sum is σ = 149150453760. Its totient is φ = 17045683200.

The previous prime is 51571895197. The next prime is 51571895209. The reversal of 51571895200 is 259817515.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (51571895209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19021845 + ... + 19024555.

It is an arithmetic number, because the mean of its divisors is an integer number (517883520).

Almost surely, 2^51571895200 is an apocalyptic number.

51571895200 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 51571895200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74575226880).

51571895200 is an abundant number, since it is smaller than the sum of its proper divisors (97578558560).

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

51571895200 is a wasteful number, since it uses less digits than its factorization.

51571895200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860 (or 2847 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 43.

The spelling of 51571895200 in words is "fifty-one billion, five hundred seventy-one million, eight hundred ninety-five thousand, two hundred".