52170126762842 has 16 divisors (see below), whose sum is σ = 85507660271232. Its totient is φ = 23675260113120.

The previous prime is 52170126762841. The next prime is 52170126762869. The reversal of 52170126762842 is 24826762107125.

It is a happy number.

It is a super-2 number, since 2×52170126762842² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52170126762841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1921679618 + ... + 1921706765.

It is an arithmetic number, because the mean of its divisors is an integer number (5344228766952).

Almost surely, 2^{52170126762842} is an apocalyptic number.

52170126762842 is a deficient number, since it is larger than the sum of its proper divisors (33337533508390).

52170126762842 is a wasteful number, since it uses less digits than its factorization.

52170126762842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843387013.

The product of its (nonzero) digits is 4515840, while the sum is 53.

Adding to 52170126762842 its reverse (24826762107125), we get a palindrome (76996888869967).

The spelling of 52170126762842 in words is "fifty-two trillion, one hundred seventy billion, one hundred twenty-six million, seven hundred sixty-two thousand, eight hundred forty-two".