54698918887 has 2 divisors, whose sum is σ = 54698918888. Its totient is φ = 54698918886.

The previous prime is 54698918881. The next prime is 54698918891. The reversal of 54698918887 is 78881989645.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54698918887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54698918881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27349459443 + 27349459444.

It is an arithmetic number, because the mean of its divisors is an integer number (27349459444).

Almost surely, 2^54698918887 is an apocalyptic number.

54698918887 is a deficient number, since it is larger than the sum of its proper divisors (1).

54698918887 is an equidigital number, since it uses as much as digits as its factorization.

54698918887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 278691840, while the sum is 73.

The spelling of 54698918887 in words is "fifty-four billion, six hundred ninety-eight million, nine hundred eighteen thousand, eight hundred eighty-seven".