550976 has 14 divisors (see below), whose sum is σ = 1093470. Its totient is φ = 275456.

The previous prime is 550973. The next prime is 550993. The reversal of 550976 is 679055.

It can be written as a sum of positive squares in only one way, i.e., 409600 + 141376 = 640^2 + 376^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4241 + ... + 4368.

It is an arithmetic number, because the mean of its divisors is an integer number (78105).

2⁵⁵⁰⁹⁷⁶ is an apocalyptic number.

It is an amenable number.

550976 is a deficient number, since it is larger than the sum of its proper divisors (542494).

550976 is an equidigital number, since it uses as much as digits as its factorization.

550976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8621 (or 8611 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 550976 is about 742.2775761129. The cubic root of 550976 is about 81.9805625156.

The spelling of 550976 in words is "five hundred fifty thousand, nine hundred seventy-six".