516255655 has 4 divisors (see below), whose sum is σ = 619506792. Its totient is φ = 413004520.

The previous prime is 516255653. The next prime is 516255667. The reversal of 516255655 is 556552615.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 516255655 - 2¹ = 516255653 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 (516255653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51625561 + ... + 51625570.

It is an arithmetic number, because the mean of its divisors is an integer number (154876698).

Almost surely, 2^516255655 is an apocalyptic number.

516255655 is a deficient number, since it is larger than the sum of its proper divisors (103251137).

516255655 is a wasteful number, since it uses less digits than its factorization.

516255655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103251136.

The product of its digits is 225000, while the sum is 40.

The square root of 516255655 is about 22721.2599782671. The cubic root of 516255655 is about 802.2103741621.

The spelling of 516255655 in words is "five hundred sixteen million, two hundred fifty-five thousand, six hundred fifty-five".