550605554489 has 4 divisors (see below), whose sum is σ = 554941031424. Its totient is φ = 546270077556.

The previous prime is 550605554483. The next prime is 550605554503. The reversal of 550605554489 is 984455506055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550605554489 - 2¹² = 550605550393 is a prime.

It is a super-2 number, since 2×550605554489² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550605554483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167738277 + ... + 2167738530.

It is an arithmetic number, because the mean of its divisors is an integer number (138735257856).

Almost surely, 2^550605554489 is an apocalyptic number.

It is an amenable number.

550605554489 is a deficient number, since it is larger than the sum of its proper divisors (4335476935).

550605554489 is a wasteful number, since it uses less digits than its factorization.

550605554489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335476934.

The product of its (nonzero) digits is 21600000, while the sum is 56.

The spelling of 550605554489 in words is "five hundred fifty billion, six hundred five million, five hundred fifty-four thousand, four hundred eighty-nine".