55566673333933 has 2 divisors, whose sum is σ = 55566673333934. Its totient is φ = 55566673333932.

The previous prime is 55566673333891. The next prime is 55566673333993. The reversal of 55566673333933 is 33933337666555.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36040367309769 + 19526306024164 = 6003363^2 + 4418858^2 .

It is a cyclic number.

It is not a de Polignac number, because 55566673333933 - 2³⁷ = 55429234380461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55566673333993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27783336666966 + 27783336666967.

It is an arithmetic number, because the mean of its divisors is an integer number (27783336666967).

Almost surely, 2^{55566673333933} is an apocalyptic number.

It is an amenable number.

55566673333933 is a deficient number, since it is larger than the sum of its proper divisors (1).

55566673333933 is an equidigital number, since it uses as much as digits as its factorization.

55566673333933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1240029000, while the sum is 67.

The spelling of 55566673333933 in words is "fifty-five trillion, five hundred sixty-six billion, six hundred seventy-three million, three hundred thirty-three thousand, nine hundred thirty-three".