51295810896 has 280 divisors, whose sum is σ = 163077523680. Its totient is φ = 15494457600.

The previous prime is 51295810889. The next prime is 51295810903. The reversal of 51295810896 is 69801859215.

51295810896 is a `hidden beast` number, since 51 + 2 + 9 + 581 + 0 + 8 + 9 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (51295810889) and next prime (51295810903).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 69412095 + ... + 69412833.

Almost surely, 2^51295810896 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 51295810896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81538761840).

51295810896 is an abundant number, since it is smaller than the sum of its proper divisors (111781712784).

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

51295810896 is a wasteful number, since it uses less digits than its factorization.

51295810896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 54.

The spelling of 51295810896 in words is "fifty-one billion, two hundred ninety-five million, eight hundred ten thousand, eight hundred ninety-six".