550471097121 has 16 divisors (see below), whose sum is σ = 801165051840. Its totient is φ = 333418921920.

The previous prime is 550471097093. The next prime is 550471097147. The reversal of 550471097121 is 121790174055.

It is not a de Polignac number, because 550471097121 - 2³¹ = 548323613473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550471097021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4942210 + ... + 5052363.

It is an arithmetic number, because the mean of its divisors is an integer number (50072815740).

Almost surely, 2^550471097121 is an apocalyptic number.

It is an amenable number.

550471097121 is a deficient number, since it is larger than the sum of its proper divisors (250693954719).

550471097121 is a wasteful number, since it uses less digits than its factorization.

550471097121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996256.

The product of its (nonzero) digits is 88200, while the sum is 42.

The spelling of 550471097121 in words is "five hundred fifty billion, four hundred seventy-one million, ninety-seven thousand, one hundred twenty-one".