55743381149 has 2 divisors, whose sum is σ = 55743381150. Its totient is φ = 55743381148.

The previous prime is 55743381139. The next prime is 55743381163. The reversal of 55743381149 is 94118334755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55020739225 + 722641924 = 234565^2 + 26882^2 .

It is a cyclic number.

It is not a de Polignac number, because 55743381149 - 2²⁸ = 55474945693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55743381097 and 55743381106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55743381139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27871690574 + 27871690575.

It is an arithmetic number, because the mean of its divisors is an integer number (27871690575).

Almost surely, 2^55743381149 is an apocalyptic number.

It is an amenable number.

55743381149 is a deficient number, since it is larger than the sum of its proper divisors (1).

55743381149 is an equidigital number, since it uses as much as digits as its factorization.

55743381149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The spelling of 55743381149 in words is "fifty-five billion, seven hundred forty-three million, three hundred eighty-one thousand, one hundred forty-nine".