55042731071 has 2 divisors, whose sum is σ = 55042731072. Its totient is φ = 55042731070.

The previous prime is 55042731067. The next prime is 55042731077. The reversal of 55042731071 is 17013724055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55042731071 - 2² = 55042731067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55042731077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27521365535 + 27521365536.

It is an arithmetic number, because the mean of its divisors is an integer number (27521365536).

Almost surely, 2^55042731071 is an apocalyptic number.

55042731071 is a deficient number, since it is larger than the sum of its proper divisors (1).

55042731071 is an equidigital number, since it uses as much as digits as its factorization.

55042731071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 55042731071 in words is "fifty-five billion, forty-two million, seven hundred thirty-one thousand, seventy-one".