51662327620273 has 2 divisors, whose sum is σ = 51662327620274. Its totient is φ = 51662327620272.

The previous prime is 51662327620259. The next prime is 51662327620279. The reversal of 51662327620273 is 37202672326615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43268281646769 + 8394045973504 = 6577863^2 + 2897248^2 .

It is a cyclic number.

It is not a de Polignac number, because 51662327620273 - 2³³ = 51653737685681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51662327620273.

It is not a weakly prime, because it can be changed into another prime (51662327620279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25831163810136 + 25831163810137.

It is an arithmetic number, because the mean of its divisors is an integer number (25831163810137).

Almost surely, 2^{51662327620273} is an apocalyptic number.

It is an amenable number.

51662327620273 is a deficient number, since it is larger than the sum of its proper divisors (1).

51662327620273 is an equidigital number, since it uses as much as digits as its factorization.

51662327620273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 52.

Adding to 51662327620273 its reverse (37202672326615), we get a palindrome (88864999946888).

The spelling of 51662327620273 in words is "fifty-one trillion, six hundred sixty-two billion, three hundred twenty-seven million, six hundred twenty thousand, two hundred seventy-three".