54430289887 has 2 divisors, whose sum is σ = 54430289888. Its totient is φ = 54430289886.

The previous prime is 54430289807. The next prime is 54430289909. The reversal of 54430289887 is 78898203445.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54430289887 - 2⁷ = 54430289759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54430289807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27215144943 + 27215144944.

It is an arithmetic number, because the mean of its divisors is an integer number (27215144944).

Almost surely, 2^54430289887 is an apocalyptic number.

54430289887 is a deficient number, since it is larger than the sum of its proper divisors (1).

54430289887 is an equidigital number, since it uses as much as digits as its factorization.

54430289887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 54430289887 in words is "fifty-four billion, four hundred thirty million, two hundred eighty-nine thousand, eight hundred eighty-seven".