54989441191 has 2 divisors, whose sum is σ = 54989441192. Its totient is φ = 54989441190.

The previous prime is 54989441173. The next prime is 54989441201. The reversal of 54989441191 is 19114498945.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54989441191 - 2⁷ = 54989441063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54989441291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27494720595 + 27494720596.

It is an arithmetic number, because the mean of its divisors is an integer number (27494720596).

Almost surely, 2^54989441191 is an apocalyptic number.

54989441191 is a deficient number, since it is larger than the sum of its proper divisors (1).

54989441191 is an equidigital number, since it uses as much as digits as its factorization.

54989441191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 55.

The spelling of 54989441191 in words is "fifty-four billion, nine hundred eighty-nine million, four hundred forty-one thousand, one hundred ninety-one".