499645055 has 16 divisors (see below), whose sum is σ = 737937984. Its totient is φ = 316258560.

The previous prime is 499645019. The next prime is 499645057. The reversal of 499645055 is 550546994.

It is not a de Polignac number, because 499645055 - 2²⁴ = 482867839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499645057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548606 + ... + 549515.

It is an arithmetic number, because the mean of its divisors is an integer number (46121124).

Almost surely, 2^499645055 is an apocalyptic number.

499645055 is a deficient number, since it is larger than the sum of its proper divisors (238292929).

499645055 is a wasteful number, since it uses less digits than its factorization.

499645055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098146.

The product of its (nonzero) digits is 972000, while the sum is 47.

The square root of 499645055 is about 22352.7415544492. The cubic root of 499645055 is about 793.5126681688.

The spelling of 499645055 in words is "four hundred ninety-nine million, six hundred forty-five thousand, fifty-five".