554299987 has 2 divisors, whose sum is σ = 554299988. Its totient is φ = 554299986.

The previous prime is 554299969. The next prime is 554300003. The reversal of 554299987 is 789992455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 554299987 - 2²⁷ = 420082259 is a prime.

It is not a weakly prime, because it can be changed into another prime (554294987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277149993 + 277149994.

It is an arithmetic number, because the mean of its divisors is an integer number (277149994).

Almost surely, 2^554299987 is an apocalyptic number.

554299987 is a deficient number, since it is larger than the sum of its proper divisors (1).

554299987 is an equidigital number, since it uses as much as digits as its factorization.

554299987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 58.

The square root of 554299987 is about 23543.5763426035. The cubic root of 554299987 is about 821.4509246465.

The spelling of 554299987 in words is "five hundred fifty-four million, two hundred ninety-nine thousand, nine hundred eighty-seven".