499766550 has 48 divisors (see below), whose sum is σ = 1241890752. Its totient is φ = 133005600.

The previous prime is 499766549. The next prime is 499766567. The reversal of 499766550 is 55667994.

It is a junction number, because it is equal to n+sod(n) for n = 499766493 and 499766502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79005 + ... + 85095.

It is an arithmetic number, because the mean of its divisors is an integer number (25872724).

Almost surely, 2^499766550 is an apocalyptic number.

499766550 is an abundant number, since it is smaller than the sum of its proper divisors (742124202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499766550 is a wasteful number, since it uses less digits than its factorization.

499766550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653 (or 6648 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 51.

The square root of 499766550 is about 22355.4590648459. The cubic root of 499766550 is about 793.5769804958.

The spelling of 499766550 in words is "four hundred ninety-nine million, seven hundred sixty-six thousand, five hundred fifty".