550971 has 12 divisors (see below), whose sum is σ = 823680. Its totient is φ = 354480.

The previous prime is 550969. The next prime is 550973. The reversal of 550971 is 179055.

It is an interprime number because it is at equal distance from previous prime (550969) and next prime (550973).

It is not a de Polignac number, because 550971 - 2¹ = 550969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 795 + ... + 1316.

It is an arithmetic number, because the mean of its divisors is an integer number (68640).

2⁵⁵⁰⁹⁷¹ is an apocalyptic number.

550971 is a deficient number, since it is larger than the sum of its proper divisors (272709).

550971 is a wasteful number, since it uses less digits than its factorization.

550971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146 (or 2143 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 550971 is about 742.2742080929. The cubic root of 550971 is about 81.9803145290.

It can be divided in two parts, 550 and 971, that added together give a square (1521 = 39²).

The spelling of 550971 in words is "five hundred fifty thousand, nine hundred seventy-one".