55271765243 has 2 divisors, whose sum is σ = 55271765244. Its totient is φ = 55271765242.

The previous prime is 55271765203. The next prime is 55271765251. The reversal of 55271765243 is 34256717255.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55271765243 is a prime.

It is not a weakly prime, because it can be changed into another prime (55271765203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27635882621 + 27635882622.

It is an arithmetic number, because the mean of its divisors is an integer number (27635882622).

Almost surely, 2^55271765243 is an apocalyptic number.

55271765243 is a deficient number, since it is larger than the sum of its proper divisors (1).

55271765243 is an equidigital number, since it uses as much as digits as its factorization.

55271765243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764000, while the sum is 47.

The spelling of 55271765243 in words is "fifty-five billion, two hundred seventy-one million, seven hundred sixty-five thousand, two hundred forty-three".