550435131 has 24 divisors (see below), whose sum is σ = 827386560. Its totient is φ = 352333296.

The previous prime is 550435117. The next prime is 550435141. The reversal of 550435131 is 131534055.

It is not a de Polignac number, because 550435131 - 2⁵ = 550435099 is a prime.

It is a super-2 number, since 2×550435131² = 605957666877974322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550435095 and 550435104.

It is not an unprimeable number, because it can be changed into a prime (550435141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10780 + ... + 34886.

It is an arithmetic number, because the mean of its divisors is an integer number (34474440).

Almost surely, 2^550435131 is an apocalyptic number.

550435131 is a deficient number, since it is larger than the sum of its proper divisors (276951429).

550435131 is a wasteful number, since it uses less digits than its factorization.

550435131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24215 (or 24212 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 550435131 is about 23461.3539890604. The cubic root of 550435131 is about 819.5372815747.

Adding to 550435131 its reverse (131534055), we get a palindrome (681969186).

The spelling of 550435131 in words is "five hundred fifty million, four hundred thirty-five thousand, one hundred thirty-one".