55483433438399 has 2 divisors, whose sum is σ = 55483433438400. Its totient is φ = 55483433438398.

The previous prime is 55483433438371. The next prime is 55483433438467. The reversal of 55483433438399 is 99383433438455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55483433438399 - 2³² = 55479138471103 is a prime.

It is a super-2 number, since 2×55483433438399² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55483433438369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27741716719199 + 27741716719200.

It is an arithmetic number, because the mean of its divisors is an integer number (27741716719200).

Almost surely, 2^{55483433438399} is an apocalyptic number.

55483433438399 is a deficient number, since it is larger than the sum of its proper divisors (1).

55483433438399 is an equidigital number, since it uses as much as digits as its factorization.

55483433438399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2015539200, while the sum is 71.

The spelling of 55483433438399 in words is "fifty-five trillion, four hundred eighty-three billion, four hundred thirty-three million, four hundred thirty-eight thousand, three hundred ninety-nine".