499555 has 12 divisors (see below), whose sum is σ = 697680. Its totient is φ = 342384.

The previous prime is 499549. The next prime is 499559. The reversal of 499555 is 555994.

It is not a de Polignac number, because 499555 - 2⁵ = 499523 is a prime.

It is a super-5 number, since 5×499555⁵ (a number of 30 digits) contains 55555 as substring.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 775 + ... + 1264.

It is an arithmetic number, because the mean of its divisors is an integer number (58140).

2⁴⁹⁹⁵⁵⁵ is an apocalyptic number.

499555 is a deficient number, since it is larger than the sum of its proper divisors (198125).

499555 is a wasteful number, since it uses less digits than its factorization.

499555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058 (or 2051 counting only the distinct ones).

The product of its digits is 40500, while the sum is 37.

The square root of 499555 is about 706.7920486253. The cubic root of 499555 is about 79.3464991606.

It can be divided in two parts, 4995 and 55, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 499555 in words is "four hundred ninety-nine thousand, five hundred fifty-five".