509332056 has 64 divisors (see below), whose sum is σ = 1335294720. Its totient is φ = 161589120.

The previous prime is 509332037. The next prime is 509332097. The reversal of 509332056 is 650233905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114286 + ... + 118658.

It is an arithmetic number, because the mean of its divisors is an integer number (20863980).

Almost surely, 2^509332056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 509332056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667647360).

509332056 is an abundant number, since it is smaller than the sum of its proper divisors (825962664).

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

509332056 is a wasteful number, since it uses less digits than its factorization.

509332056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616 (or 4612 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 509332056 is about 22568.3862072590. The cubic root of 509332056 is about 798.6080252459.

The spelling of 509332056 in words is "five hundred nine million, three hundred thirty-two thousand, fifty-six".