517300056 has 144 divisors (see below), whose sum is σ = 1755280800. Its totient is φ = 136418688.

The previous prime is 517300051. The next prime is 517300067. The reversal of 517300056 is 650003715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517300051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40225 + ... + 51503.

It is an arithmetic number, because the mean of its divisors is an integer number (12189450).

Almost surely, 2^517300056 is an apocalyptic number.

517300056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 517300056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877640400).

517300056 is an abundant number, since it is smaller than the sum of its proper divisors (1237980744).

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

517300056 is a wasteful number, since it uses less digits than its factorization.

517300056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11318 (or 11304 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 517300056 is about 22744.2312686096. The cubic root of 517300056 is about 802.7509751597.

The spelling of 517300056 in words is "five hundred seventeen million, three hundred thousand, fifty-six".