515715650055 has 48 divisors (see below), whose sum is σ = 911926439424. Its totient is φ = 269550348480.

The previous prime is 515715650029. The next prime is 515715650057. The reversal of 515715650055 is 550056517515.

515715650055 is a `hidden beast` number, since 5 + 15 + 71 + 565 + 0 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 515715650055 - 2⁷ = 515715649927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515715650057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50292 + ... + 1016838.

It is an arithmetic number, because the mean of its divisors is an integer number (18998467488).

Almost surely, 2^515715650055 is an apocalyptic number.

515715650055 is a deficient number, since it is larger than the sum of its proper divisors (396210789369).

515715650055 is a wasteful number, since it uses less digits than its factorization.

515715650055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966796 (or 966793 counting only the distinct ones).

The product of its (nonzero) digits is 656250, while the sum is 45.

The spelling of 515715650055 in words is "five hundred fifteen billion, seven hundred fifteen million, six hundred fifty thousand, fifty-five".