550498 has 16 divisors (see below), whose sum is σ = 919296. Its totient is φ = 245520.

The previous prime is 550489. The next prime is 550513. The reversal of 550498 is 894055.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a plaindrome in base 12.

It is a nialpdrome in base 16.

It is a zygodrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465 + ... + 1147.

It is an arithmetic number, because the mean of its divisors is an integer number (57456).

2⁵⁵⁰⁴⁹⁸ is an apocalyptic number.

550498 is a deficient number, since it is larger than the sum of its proper divisors (368798).

550498 is a wasteful number, since it uses less digits than its factorization.

550498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 550498 is about 741.9555242735. The cubic root of 550498 is about 81.9568482059.

The spelling of 550498 in words is "five hundred fifty thousand, four hundred ninety-eight".