553219987 has 2 divisors, whose sum is σ = 553219988. Its totient is φ = 553219986.

The previous prime is 553219969. The next prime is 553219991. The reversal of 553219987 is 789912355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553219987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553219987.

It is not a weakly prime, because it can be changed into another prime (553219957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276609993 + 276609994.

It is an arithmetic number, because the mean of its divisors is an integer number (276609994).

Almost surely, 2^553219987 is an apocalyptic number.

553219987 is a deficient number, since it is larger than the sum of its proper divisors (1).

553219987 is an equidigital number, since it uses as much as digits as its factorization.

553219987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 49.

The square root of 553219987 is about 23520.6289669303. The cubic root of 553219987 is about 820.9170718410.

The spelling of 553219987 in words is "five hundred fifty-three million, two hundred nineteen thousand, nine hundred eighty-seven".