555720419 has 2 divisors, whose sum is σ = 555720420. Its totient is φ = 555720418.

The previous prime is 555720409. The next prime is 555720491. The reversal of 555720419 is 914027555.

It is a happy number.

Together with next prime (555720491) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555720419 - 2²⁴ = 538943203 is a prime.

It is a super-2 number, since 2×555720419² = 617650368187071122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (555720409) 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, 277860209 + 277860210.

It is an arithmetic number, because the mean of its divisors is an integer number (277860210).

Almost surely, 2^555720419 is an apocalyptic number.

555720419 is a deficient number, since it is larger than the sum of its proper divisors (1).

555720419 is an equidigital number, since it uses as much as digits as its factorization.

555720419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 555720419 is about 23573.7230619179. The cubic root of 555720419 is about 822.1520010445.

The spelling of 555720419 in words is "five hundred fifty-five million, seven hundred twenty thousand, four hundred nineteen".