55127734439 has 2 divisors, whose sum is σ = 55127734440. Its totient is φ = 55127734438.

The previous prime is 55127734429. The next prime is 55127734451. The reversal of 55127734439 is 93443772155.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55127734439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55127734429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27563867219 + 27563867220.

It is an arithmetic number, because the mean of its divisors is an integer number (27563867220).

Almost surely, 2^55127734439 is an apocalyptic number.

55127734439 is a deficient number, since it is larger than the sum of its proper divisors (1).

55127734439 is an equidigital number, since it uses as much as digits as its factorization.

55127734439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 50.

The spelling of 55127734439 in words is "fifty-five billion, one hundred twenty-seven million, seven hundred thirty-four thousand, four hundred thirty-nine".