55743756577 has 2 divisors, whose sum is σ = 55743756578. Its totient is φ = 55743756576.

The previous prime is 55743756569. The next prime is 55743756581. The reversal of 55743756577 is 77565734755.

55743756577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37759873761 + 17983882816 = 194319^2 + 134104^2 .

It is a cyclic number.

It is not a de Polignac number, because 55743756577 - 2³ = 55743756569 is a prime.

It is not a weakly prime, because it can be changed into another prime (55743856577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27871878288 + 27871878289.

It is an arithmetic number, because the mean of its divisors is an integer number (27871878289).

Almost surely, 2^55743756577 is an apocalyptic number.

It is an amenable number.

55743756577 is a deficient number, since it is larger than the sum of its proper divisors (1).

55743756577 is an equidigital number, since it uses as much as digits as its factorization.

55743756577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108045000, while the sum is 61.

The spelling of 55743756577 in words is "fifty-five billion, seven hundred forty-three million, seven hundred fifty-six thousand, five hundred seventy-seven".