550404531506 has 16 divisors (see below), whose sum is σ = 837900612864. Its totient is φ = 271133494464.

The previous prime is 550404531493. The next prime is 550404531539. The reversal of 550404531506 is 605135404055.

It is a self number, because there is not a number n which added to its sum of digits gives 550404531506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7253930 + ... + 7329413.

It is an arithmetic number, because the mean of its divisors is an integer number (52368788304).

Almost surely, 2^550404531506 is an apocalyptic number.

550404531506 is a deficient number, since it is larger than the sum of its proper divisors (287496081358).

550404531506 is a wasteful number, since it uses less digits than its factorization.

550404531506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14583625.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 550404531506 in words is "five hundred fifty billion, four hundred four million, five hundred thirty-one thousand, five hundred six".