550005555479 has 2 divisors, whose sum is σ = 550005555480. Its totient is φ = 550005555478.

The previous prime is 550005555457. The next prime is 550005555557. The reversal of 550005555479 is 974555500055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550005555479 - 2⁸ = 550005555223 is a prime.

It is a super-2 number, since 2×550005555479² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550005555679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275002777739 + 275002777740.

It is an arithmetic number, because the mean of its divisors is an integer number (275002777740).

Almost surely, 2^550005555479 is an apocalyptic number.

550005555479 is a deficient number, since it is larger than the sum of its proper divisors (1).

550005555479 is an equidigital number, since it uses as much as digits as its factorization.

550005555479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3937500, while the sum is 50.

The spelling of 550005555479 in words is "five hundred fifty billion, five million, five hundred fifty-five thousand, four hundred seventy-nine".