51590555956 has 12 divisors (see below), whose sum is σ = 90534961440. Its totient is φ = 25723424120.

The previous prime is 51590555921. The next prime is 51590555969. The reversal of 51590555956 is 65955509515.

It is a junction number, because it is equal to n+sod(n) for n = 51590555897 and 51590555906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17961850 + ... + 17964721.

It is an arithmetic number, because the mean of its divisors is an integer number (7544580120).

Almost surely, 2^51590555956 is an apocalyptic number.

It is an amenable number.

51590555956 is a deficient number, since it is larger than the sum of its proper divisors (38944405484).

51590555956 is a wasteful number, since it uses less digits than its factorization.

51590555956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35926934 (or 35926932 counting only the distinct ones).

The product of its (nonzero) digits is 7593750, while the sum is 55.

The spelling of 51590555956 in words is "fifty-one billion, five hundred ninety million, five hundred fifty-five thousand, nine hundred fifty-six".