51779792373 has 32 divisors (see below), whose sum is σ = 71531569152. Its totient is φ = 33282513600.

The previous prime is 51779792369. The next prime is 51779792387. The reversal of 51779792373 is 37329797715.

It is not a de Polignac number, because 51779792373 - 2² = 51779792369 is a prime.

It is a super-2 number, since 2×51779792373² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51779792303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50222368 + ... + 50223398.

It is an arithmetic number, because the mean of its divisors is an integer number (2235361536).

Almost surely, 2^51779792373 is an apocalyptic number.

It is an amenable number.

51779792373 is a deficient number, since it is larger than the sum of its proper divisors (19751776779).

51779792373 is a wasteful number, since it uses less digits than its factorization.

51779792373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545.

The product of its digits is 17503290, while the sum is 60.

The spelling of 51779792373 in words is "fifty-one billion, seven hundred seventy-nine million, seven hundred ninety-two thousand, three hundred seventy-three".