55705850159 has 2 divisors, whose sum is σ = 55705850160. Its totient is φ = 55705850158.

The previous prime is 55705850149. The next prime is 55705850177. The reversal of 55705850159 is 95105850755.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55705850159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55705850119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27852925079 + 27852925080.

It is an arithmetic number, because the mean of its divisors is an integer number (27852925080).

Almost surely, 2^55705850159 is an apocalyptic number.

55705850159 is a deficient number, since it is larger than the sum of its proper divisors (1).

55705850159 is an equidigital number, since it uses as much as digits as its factorization.

55705850159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1575000, while the sum is 50.

The spelling of 55705850159 in words is "fifty-five billion, seven hundred five million, eight hundred fifty thousand, one hundred fifty-nine".