499952557 has 4 divisors (see below), whose sum is σ = 538410460. Its totient is φ = 461494656.

The previous prime is 499952539. The next prime is 499952561. The reversal of 499952557 is 755259994.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35593156 + 464359401 = 5966^2 + 21549^2 .

It is a cyclic number.

It is not a de Polignac number, because 499952557 - 2¹⁹ = 499428269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499952498 and 499952507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499952857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19228932 + ... + 19228957.

It is an arithmetic number, because the mean of its divisors is an integer number (134602615).

Almost surely, 2^499952557 is an apocalyptic number.

It is an amenable number.

499952557 is a deficient number, since it is larger than the sum of its proper divisors (38457903).

499952557 is a wasteful number, since it uses less digits than its factorization.

499952557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38457902.

The product of its digits is 5103000, while the sum is 55.

The square root of 499952557 is about 22359.6188921010. The cubic root of 499952557 is about 793.6754215007.

The spelling of 499952557 in words is "four hundred ninety-nine million, nine hundred fifty-two thousand, five hundred fifty-seven".