55441614391 has 2 divisors, whose sum is σ = 55441614392. Its totient is φ = 55441614390.

The previous prime is 55441614383. The next prime is 55441614401. The reversal of 55441614391 is 19341614455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55441614391 - 2³ = 55441614383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55441614341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27720807195 + 27720807196.

It is an arithmetic number, because the mean of its divisors is an integer number (27720807196).

Almost surely, 2^55441614391 is an apocalyptic number.

55441614391 is a deficient number, since it is larger than the sum of its proper divisors (1).

55441614391 is an equidigital number, since it uses as much as digits as its factorization.

55441614391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The spelling of 55441614391 in words is "fifty-five billion, four hundred forty-one million, six hundred fourteen thousand, three hundred ninety-one".