33550517057 has 2 divisors, whose sum is σ = 33550517058. Its totient is φ = 33550517056.

The previous prime is 33550517041. The next prime is 33550517071. The reversal of 33550517057 is 75071505533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18795313216 + 14755203841 = 137096^2 + 121471^2 .

It is a cyclic number.

It is not a de Polignac number, because 33550517057 - 2⁴ = 33550517041 is a prime.

It is a super-2 number, since 2×33550517057² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33550517017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16775258528 + 16775258529.

It is an arithmetic number, because the mean of its divisors is an integer number (16775258529).

Almost surely, 2^33550517057 is an apocalyptic number.

It is an amenable number.

33550517057 is a deficient number, since it is larger than the sum of its proper divisors (1).

33550517057 is an equidigital number, since it uses as much as digits as its factorization.

33550517057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 275625, while the sum is 41.

The spelling of 33550517057 in words is "thirty-three billion, five hundred fifty million, five hundred seventeen thousand, fifty-seven".