515200056 has 64 divisors (see below), whose sum is σ = 1477447680. Its totient is φ = 146655360.

The previous prime is 515200033. The next prime is 515200057. The reversal of 515200056 is 650002515.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 515199999 and 515200035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515200057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41001 + ... + 52071.

It is an arithmetic number, because the mean of its divisors is an integer number (23085120).

Almost surely, 2^515200056 is an apocalyptic number.

515200056 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 515200056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738723840).

515200056 is an abundant number, since it is smaller than the sum of its proper divisors (962247624).

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

515200056 is a wasteful number, since it uses less digits than its factorization.

515200056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11364 (or 11360 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 515200056 is about 22698.0187681656. The cubic root of 515200056 is about 801.6632354965.

The spelling of 515200056 in words is "five hundred fifteen million, two hundred thousand, fifty-six".