499955051 has 4 divisors (see below), whose sum is σ = 500911512. Its totient is φ = 498998592.

The previous prime is 499955033. The next prime is 499955069. The reversal of 499955051 is 150559994.

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

It is an interprime number because it is at equal distance from previous prime (499955033) and next prime (499955069).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499955051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499954987 and 499955005.

It is not an unprimeable number, because it can be changed into a prime (499955251) 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, 477446 + ... + 478491.

It is an arithmetic number, because the mean of its divisors is an integer number (125227878).

Almost surely, 2^499955051 is an apocalyptic number.

499955051 is a deficient number, since it is larger than the sum of its proper divisors (956461).

499955051 is an equidigital number, since it uses as much as digits as its factorization.

499955051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956460.

The product of its (nonzero) digits is 364500, while the sum is 47.

The square root of 499955051 is about 22359.6746622128. The cubic root of 499955051 is about 793.6767412414.

The spelling of 499955051 in words is "four hundred ninety-nine million, nine hundred fifty-five thousand, fifty-one".