51706055162 has 4 divisors (see below), whose sum is σ = 77559082746. Its totient is φ = 25853027580.

The previous prime is 51706055161. The next prime is 51706055171. The reversal of 51706055162 is 26155060715.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51274620721 + 431434441 = 226439^2 + 20771^2 .

It is a super-2 number, since 2×51706055162² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51706055161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12926513789 + ... + 12926513792.

Almost surely, 2^51706055162 is an apocalyptic number.

51706055162 is a deficient number, since it is larger than the sum of its proper divisors (25853027584).

51706055162 is a wasteful number, since it uses less digits than its factorization.

51706055162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25853027583.

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 51706055162 in words is "fifty-one billion, seven hundred six million, fifty-five thousand, one hundred sixty-two".