50555010889021 has 2 divisors, whose sum is σ = 50555010889022. Its totient is φ = 50555010889020.

The previous prime is 50555010889007. The next prime is 50555010889049. The reversal of 50555010889021 is 12098801055505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49268115765625 + 1286895123396 = 7019125^2 + 1134414^2 .

It is a cyclic number.

It is not a de Polignac number, because 50555010889021 - 2¹⁵ = 50555010856253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555010889121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277505444510 + 25277505444511.

It is an arithmetic number, because the mean of its divisors is an integer number (25277505444511).

Almost surely, 2^{50555010889021} is an apocalyptic number.

It is an amenable number.

50555010889021 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555010889021 is an equidigital number, since it uses as much as digits as its factorization.

50555010889021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720000, while the sum is 49.

The spelling of 50555010889021 in words is "fifty trillion, five hundred fifty-five billion, ten million, eight hundred eighty-nine thousand, twenty-one".