55834256591 has 2 divisors, whose sum is σ = 55834256592. Its totient is φ = 55834256590.

The previous prime is 55834256573. The next prime is 55834256603. The reversal of 55834256591 is 19565243855.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55834256591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55834256531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27917128295 + 27917128296.

It is an arithmetic number, because the mean of its divisors is an integer number (27917128296).

Almost surely, 2^55834256591 is an apocalyptic number.

55834256591 is a deficient number, since it is larger than the sum of its proper divisors (1).

55834256591 is an equidigital number, since it uses as much as digits as its factorization.

55834256591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480000, while the sum is 53.

The spelling of 55834256591 in words is "fifty-five billion, eight hundred thirty-four million, two hundred fifty-six thousand, five hundred ninety-one".