51446633352253 has 2 divisors, whose sum is σ = 51446633352254. Its totient is φ = 51446633352252.

The previous prime is 51446633352241. The next prime is 51446633352259. The reversal of 51446633352253 is 35225333664415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41389381837764 + 10057251514489 = 6433458^2 + 3171317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51446633352253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51446633352253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51446633352259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25723316676126 + 25723316676127.

It is an arithmetic number, because the mean of its divisors is an integer number (25723316676127).

Almost surely, 2^{51446633352253} is an apocalyptic number.

It is an amenable number.

51446633352253 is a deficient number, since it is larger than the sum of its proper divisors (1).

51446633352253 is an equidigital number, since it uses as much as digits as its factorization.

51446633352253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328000, while the sum is 52.

The spelling of 51446633352253 in words is "fifty-one trillion, four hundred forty-six billion, six hundred thirty-three million, three hundred fifty-two thousand, two hundred fifty-three".