51779235058 has 8 divisors (see below), whose sum is σ = 77916996828. Its totient is φ = 25806902784.

The previous prime is 51779235049. The next prime is 51779235061. The reversal of 51779235058 is 85053297715.

It can be written as a sum of positive squares in 2 ways, for example, as 51709395609 + 69839449 = 227397^2 + 8357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51779234996 and 51779235014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41356591 + ... + 41357842.

Almost surely, 2^51779235058 is an apocalyptic number.

51779235058 is a deficient number, since it is larger than the sum of its proper divisors (26137761770).

51779235058 is a wasteful number, since it uses less digits than its factorization.

51779235058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82714748.

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 51779235058 in words is "fifty-one billion, seven hundred seventy-nine million, two hundred thirty-five thousand, fifty-eight".