51314257896 has 96 divisors (see below), whose sum is σ = 142462662720. Its totient is φ = 15389383680.

The previous prime is 51314257879. The next prime is 51314257909. The reversal of 51314257896 is 69875241315.

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, 190605 + ... + 372771.

It is an arithmetic number, because the mean of its divisors is an integer number (1483986070).

Almost surely, 2^51314257896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51314257896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71231331360).

51314257896 is an abundant number, since it is smaller than the sum of its proper divisors (91148404824).

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

51314257896 is a wasteful number, since it uses less digits than its factorization.

51314257896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182295 (or 182280 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The spelling of 51314257896 in words is "fifty-one billion, three hundred fourteen million, two hundred fifty-seven thousand, eight hundred ninety-six".