550050894468 has 18 divisors (see below), whose sum is σ = 1390406427774. Its totient is φ = 183350298144.

The previous prime is 550050894461. The next prime is 550050894499. The reversal of 550050894468 is 864498050055.

550050894468 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 508 + 94 + 46 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 417706275204 + 132344619264 = 646302^2 + 363792^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (550050894461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7639595721 + ... + 7639595792.

It is an arithmetic number, because the mean of its divisors is an integer number (77244801543).

Almost surely, 2^550050894468 is an apocalyptic number.

It is an amenable number.

550050894468 is an abundant number, since it is smaller than the sum of its proper divisors (840355533306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550050894468 is a wasteful number, since it uses less digits than its factorization.

550050894468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15279191523 (or 15279191518 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 550050894468 in words is "five hundred fifty billion, fifty million, eight hundred ninety-four thousand, four hundred sixty-eight".