550471831 has 24 divisors (see below), whose sum is σ = 694674960. Its totient is φ = 432335232.

The previous prime is 550471807. The next prime is 550471837. The reversal of 550471831 is 138174055.

It is a happy number.

It is not a de Polignac number, because 550471831 - 2¹⁹ = 549947543 is a prime.

It is a super-2 number, since 2×550471831² = 606038473448985122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550471837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85435 + ... + 91651.

It is an arithmetic number, because the mean of its divisors is an integer number (28944790).

Almost surely, 2^550471831 is an apocalyptic number.

550471831 is a deficient number, since it is larger than the sum of its proper divisors (144203129).

550471831 is a wasteful number, since it uses less digits than its factorization.

550471831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383 (or 6376 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 550471831 is about 23462.1361133210. The cubic root of 550471831 is about 819.5554952558. Note that the first 3 decimals are identical.

The spelling of 550471831 in words is "five hundred fifty million, four hundred seventy-one thousand, eight hundred thirty-one".