51323119055 has 12 divisors (see below), whose sum is σ = 66689687160. Its totient is φ = 37900148832.

The previous prime is 51323119049. The next prime is 51323119069. The reversal of 51323119055 is 55091132315.

It is not a de Polignac number, because 51323119055 - 2⁸ = 51323118799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30367865 + ... + 30369554.

It is an arithmetic number, because the mean of its divisors is an integer number (5557473930).

Almost surely, 2^51323119055 is an apocalyptic number.

51323119055 is a deficient number, since it is larger than the sum of its proper divisors (15366568105).

51323119055 is a wasteful number, since it uses less digits than its factorization.

51323119055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60737450 (or 60737437 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 35.

The spelling of 51323119055 in words is "fifty-one billion, three hundred twenty-three million, one hundred nineteen thousand, fifty-five".