51496508848 has 20 divisors (see below), whose sum is σ = 99789249240. Its totient is φ = 25744444544.

The previous prime is 51496508839. The next prime is 51496508857. The reversal of 51496508848 is 84880569415.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51496508839) and next prime (51496508857).

It is a junction number, because it is equal to n+sod(n) for n = 51496508792 and 51496508801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124978 + ... + 344401.

It is an arithmetic number, because the mean of its divisors is an integer number (4989462462).

Almost surely, 2^51496508848 is an apocalyptic number.

It is an amenable number.

51496508848 is a deficient number, since it is larger than the sum of its proper divisors (48292740392).

51496508848 is a wasteful number, since it uses less digits than its factorization.

51496508848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476244 (or 476238 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 58.

The spelling of 51496508848 in words is "fifty-one billion, four hundred ninety-six million, five hundred eight thousand, eight hundred forty-eight".