515716055 has 8 divisors (see below), whose sum is σ = 619008144. Its totient is φ = 412473600.

The previous prime is 515716049. The next prime is 515716057. The reversal of 515716055 is 550617515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 515716055 - 2¹⁴ = 515699671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515716057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16640 + ... + 36170.

It is an arithmetic number, because the mean of its divisors is an integer number (77376018).

Almost surely, 2^515716055 is an apocalyptic number.

515716055 is a deficient number, since it is larger than the sum of its proper divisors (103292089).

515716055 is a wasteful number, since it uses less digits than its factorization.

515716055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24817.

The product of its (nonzero) digits is 26250, while the sum is 35.

The square root of 515716055 is about 22709.3825323367. The cubic root of 515716055 is about 801.9307816663.

It can be divided in two parts, 5157 and 16055, that added together give a palindrome (21212).

The spelling of 515716055 in words is "five hundred fifteen million, seven hundred sixteen thousand, fifty-five".