550505055479 has 2 divisors, whose sum is σ = 550505055480. Its totient is φ = 550505055478.

The previous prime is 550505055449. The next prime is 550505055557. The reversal of 550505055479 is 974550505055.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550505055479 is a prime.

It is a super-2 number, since 2×550505055479² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550505055409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275252527739 + 275252527740.

It is an arithmetic number, because the mean of its divisors is an integer number (275252527740).

Almost surely, 2^550505055479 is an apocalyptic number.

550505055479 is a deficient number, since it is larger than the sum of its proper divisors (1).

550505055479 is an equidigital number, since it uses as much as digits as its factorization.

550505055479 is an evil number, because the sum of its binary digits is even.

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

The spelling of 550505055479 in words is "five hundred fifty billion, five hundred five million, fifty-five thousand, four hundred seventy-nine".