550354502405 has 4 divisors (see below), whose sum is σ = 660425402892. Its totient is φ = 440283601920.

The previous prime is 550354502387. The next prime is 550354502419. The reversal of 550354502405 is 504205453055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 418533951364 + 131820551041 = 646942^2 + 363071^2 .

It is not a de Polignac number, because 550354502405 - 2⁸ = 550354502149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55035450236 + ... + 55035450245.

It is an arithmetic number, because the mean of its divisors is an integer number (165106350723).

Almost surely, 2^550354502405 is an apocalyptic number.

It is an amenable number.

550354502405 is a deficient number, since it is larger than the sum of its proper divisors (110070900487).

550354502405 is a wasteful number, since it uses less digits than its factorization.

550354502405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110070900486.

The product of its (nonzero) digits is 300000, while the sum is 38.

The spelling of 550354502405 in words is "five hundred fifty billion, three hundred fifty-four million, five hundred two thousand, four hundred five".