499955 has 4 divisors (see below), whose sum is σ = 599952. Its totient is φ = 399960.

The previous prime is 499943. The next prime is 499957. The reversal of 499955 is 559994.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 499955 - 2¹⁰ = 498931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49991 + ... + 50000.

It is an arithmetic number, because the mean of its divisors is an integer number (149988).

2⁴⁹⁹⁹⁵⁵ is an apocalyptic number.

499955 is a deficient number, since it is larger than the sum of its proper divisors (99997).

499955 is an equidigital number, since it uses as much as digits as its factorization.

499955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99996.

The product of its digits is 72900, while the sum is 41.

The square root of 499955 is about 707.0749606654. The cubic root of 499955 is about 79.3676714254.

The spelling of 499955 in words is "four hundred ninety-nine thousand, nine hundred fifty-five".