33055555513 has 2 divisors, whose sum is σ = 33055555514. Its totient is φ = 33055555512.

The previous prime is 33055555483. The next prime is 33055555523. The reversal of 33055555513 is 31555555033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32707807609 + 347747904 = 180853^2 + 18648^2 .

It is a cyclic number.

It is not a de Polignac number, because 33055555513 - 2²⁵ = 33022001081 is a prime.

It is not a weakly prime, because it can be changed into another prime (33055555523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16527777756 + 16527777757.

It is an arithmetic number, because the mean of its divisors is an integer number (16527777757).

Almost surely, 2^33055555513 is an apocalyptic number.

It is an amenable number.

33055555513 is a deficient number, since it is larger than the sum of its proper divisors (1).

33055555513 is an equidigital number, since it uses as much as digits as its factorization.

33055555513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 421875, while the sum is 40.

The spelling of 33055555513 in words is "thirty-three billion, fifty-five million, five hundred fifty-five thousand, five hundred thirteen".