50553101202781 has 2 divisors, whose sum is σ = 50553101202782. Its totient is φ = 50553101202780.

The previous prime is 50553101202733. The next prime is 50553101202797. The reversal of 50553101202781 is 18720210135505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25540439600025 + 25012661602756 = 5053755^2 + 5001266^2 .

It is a cyclic number.

It is not a de Polignac number, because 50553101202781 - 2²³ = 50553092814173 is a prime.

It is a super-2 number, since 2×50553101202781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50553101205781) 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 as a sum of consecutive naturals, namely, 25276550601390 + 25276550601391.

It is an arithmetic number, because the mean of its divisors is an integer number (25276550601391).

Almost surely, 2^{50553101202781} is an apocalyptic number.

It is an amenable number.

50553101202781 is a deficient number, since it is larger than the sum of its proper divisors (1).

50553101202781 is an equidigital number, since it uses as much as digits as its factorization.

50553101202781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 50553101202781 in words is "fifty trillion, five hundred fifty-three billion, one hundred one million, two hundred two thousand, seven hundred eighty-one".