515010056 has 64 divisors (see below), whose sum is σ = 1078142400. Its totient is φ = 228659200.

The previous prime is 515010049. The next prime is 515010077. The reversal of 515010056 is 650010515.

It is a super-2 number, since 2×515010056² = 530470715562246272, which contains 22 as substring.

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, 1458776 + ... + 1459128.

It is an arithmetic number, because the mean of its divisors is an integer number (16845975).

Almost surely, 2^515010056 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 515010056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539071200).

515010056 is an abundant number, since it is smaller than the sum of its proper divisors (563132344).

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

515010056 is a wasteful number, since it uses less digits than its factorization.

515010056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 515010056 is about 22693.8329948909. The cubic root of 515010056 is about 801.5646752441.

The spelling of 515010056 in words is "five hundred fifteen million, ten thousand, fifty-six".