54131241887 has 2 divisors, whose sum is σ = 54131241888. Its totient is φ = 54131241886.

The previous prime is 54131241881. The next prime is 54131241937. The reversal of 54131241887 is 78814213145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54131241887 - 2⁶ = 54131241823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54131241881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27065620943 + 27065620944.

It is an arithmetic number, because the mean of its divisors is an integer number (27065620944).

Almost surely, 2^54131241887 is an apocalyptic number.

54131241887 is a deficient number, since it is larger than the sum of its proper divisors (1).

54131241887 is an equidigital number, since it uses as much as digits as its factorization.

54131241887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 44.

The spelling of 54131241887 in words is "fifty-four billion, one hundred thirty-one million, two hundred forty-one thousand, eight hundred eighty-seven".