550403069 has 4 divisors (see below), whose sum is σ = 550464096. Its totient is φ = 550342044.

The previous prime is 550403059. The next prime is 550403071. The reversal of 550403069 is 960304055.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 960304055 = 5 ⋅192060811.

It is a cyclic number.

It is not a de Polignac number, because 550403069 - 2²⁸ = 281967613 is a prime.

It is a super-2 number, since 2×550403069² = 605887076729237522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550403059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14009 + ... + 36014.

It is an arithmetic number, because the mean of its divisors is an integer number (137616024).

Almost surely, 2^550403069 is an apocalyptic number.

It is an amenable number.

550403069 is a deficient number, since it is larger than the sum of its proper divisors (61027).

550403069 is a wasteful number, since it uses less digits than its factorization.

550403069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61026.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 550403069 is about 23460.6706852127. The cubic root of 550403069 is about 819.5213690036.

The spelling of 550403069 in words is "five hundred fifty million, four hundred three thousand, sixty-nine".