1955327855 has 16 divisors (see below), whose sum is σ = 2568314784. Its totient is φ = 1420260480.

The previous prime is 1955327837. The next prime is 1955327893. The reversal of 1955327855 is 5587235591.

It is not a de Polignac number, because 1955327855 - 2¹⁶ = 1955262319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242609 + ... + 250538.

It is an arithmetic number, because the mean of its divisors is an integer number (160519674).

Almost surely, 2^1955327855 is an apocalyptic number.

1955327855 is a deficient number, since it is larger than the sum of its proper divisors (612986929).

1955327855 is a wasteful number, since it uses less digits than its factorization.

1955327855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493226.

The product of its digits is 1890000, while the sum is 50.

The square root of 1955327855 is about 44219.0892601826. The cubic root of 1955327855 is about 1250.4697658339.

The spelling of 1955327855 in words is "one billion, nine hundred fifty-five million, three hundred twenty-seven thousand, eight hundred fifty-five".