51475658373 has 6 divisors (see below), whose sum is σ = 74353728774. Its totient is φ = 34317105576.

The previous prime is 51475658357. The next prime is 51475658417. The reversal of 51475658373 is 37385657415.

51475658373 is a `hidden beast` number, since 5 + 1 + 4 + 7 + 56 + 583 + 7 + 3 = 666.

51475658373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48357329409 + 3118328964 = 219903^2 + 55842^2 .

It is not a de Polignac number, because 51475658373 - 2⁴ = 51475658357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51475653373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2859758790 + ... + 2859758807.

It is an arithmetic number, because the mean of its divisors is an integer number (12392288129).

Almost surely, 2^51475658373 is an apocalyptic number.

It is an amenable number.

51475658373 is a deficient number, since it is larger than the sum of its proper divisors (22878070401).

51475658373 is a wasteful number, since it uses less digits than its factorization.

51475658373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719517603 (or 5719517600 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The spelling of 51475658373 in words is "fifty-one billion, four hundred seventy-five million, six hundred fifty-eight thousand, three hundred seventy-three".