550947452558 has 4 divisors (see below), whose sum is σ = 826421178840. Its totient is φ = 275473726278.

The previous prime is 550947452537. The next prime is 550947452579. The reversal of 550947452558 is 855254749055.

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

It is an interprime number because it is at equal distance from previous prime (550947452537) and next prime (550947452579).

It is a junction number, because it is equal to n+sod(n) for n = 550947452497 and 550947452506.

It is a congruent number.

It is an unprimeable number.

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, 137736863138 + ... + 137736863141.

It is an arithmetic number, because the mean of its divisors is an integer number (206605294710).

Almost surely, 2^550947452558 is an apocalyptic number.

550947452558 is a deficient number, since it is larger than the sum of its proper divisors (275473726282).

550947452558 is a wasteful number, since it uses less digits than its factorization.

550947452558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275473726281.

The product of its (nonzero) digits is 50400000, while the sum is 59.

The spelling of 550947452558 in words is "five hundred fifty billion, nine hundred forty-seven million, four hundred fifty-two thousand, five hundred fifty-eight".