515664950 has 48 divisors (see below), whose sum is σ = 996030000. Its totient is φ = 198387840.

The previous prime is 515664949. The next prime is 515664983. The reversal of 515664950 is 59466515.

It is a junction number, because it is equal to n+sod(n) for n = 515664898 and 515664907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505541 + ... + 506559.

It is an arithmetic number, because the mean of its divisors is an integer number (20750625).

Almost surely, 2^515664950 is an apocalyptic number.

515664950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

515664950 is a deficient number, since it is larger than the sum of its proper divisors (480365050).

515664950 is a wasteful number, since it uses less digits than its factorization.

515664950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 515664950 is about 22708.2573087412. The cubic root of 515664950 is about 801.9042916201.

The spelling of 515664950 in words is "five hundred fifteen million, six hundred sixty-four thousand, nine hundred fifty".