33050021057 has 2 divisors, whose sum is σ = 33050021058. Its totient is φ = 33050021056.

The previous prime is 33050021027. The next prime is 33050021077. The reversal of 33050021057 is 75012005033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17203994896 + 15846026161 = 131164^2 + 125881^2 .

It is a cyclic number.

It is not a de Polignac number, because 33050021057 - 2²⁸ = 32781585601 is a prime.

It is not a weakly prime, because it can be changed into another prime (33050021027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16525010528 + 16525010529.

It is an arithmetic number, because the mean of its divisors is an integer number (16525010529).

Almost surely, 2^33050021057 is an apocalyptic number.

It is an amenable number.

33050021057 is a deficient number, since it is larger than the sum of its proper divisors (1).

33050021057 is an equidigital number, since it uses as much as digits as its factorization.

33050021057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 26.

The spelling of 33050021057 in words is "thirty-three billion, fifty million, twenty-one thousand, fifty-seven".