51517270606 has 16 divisors (see below), whose sum is σ = 77862643200. Its totient is φ = 25563359200.

The previous prime is 51517270601. The next prime is 51517270621. The reversal of 51517270606 is 60607271515.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51517270601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267900 + ... + 418096.

It is an arithmetic number, because the mean of its divisors is an integer number (4866415200).

Almost surely, 2^51517270606 is an apocalyptic number.

51517270606 is a deficient number, since it is larger than the sum of its proper divisors (26345372594).

51517270606 is a wasteful number, since it uses less digits than its factorization.

51517270606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151499.

The product of its (nonzero) digits is 88200, while the sum is 40.

Subtracting 51517270606 from its reverse (60607271515), we obtain a palindrome (9090000909).

The spelling of 51517270606 in words is "fifty-one billion, five hundred seventeen million, two hundred seventy thousand, six hundred six".