499550 has 24 divisors (see below), whose sum is σ = 947856. Its totient is φ = 195840.

The previous prime is 499549. The next prime is 499559. The reversal of 499550 is 55994.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499559) 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, 4799 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (39494).

2⁴⁹⁹⁵⁵⁰ is an apocalyptic number.

499550 is a deficient number, since it is larger than the sum of its proper divisors (448306).

499550 is a wasteful number, since it uses less digits than its factorization.

499550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 499550 is about 706.7885115082. The cubic root of 499550 is about 79.3462344358.

Subtracting from 499550 its reverse (55994), we obtain a square (443556 = 666²).

The spelling of 499550 in words is "four hundred ninety-nine thousand, five hundred fifty".