518672055 has 16 divisors (see below), whose sum is σ = 905318784. Its totient is φ = 251477280.

The previous prime is 518672039. The next prime is 518672059. The reversal of 518672055 is 550276815.

It is not a de Polignac number, because 518672055 - 2⁴ = 518672039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518672059) 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 15 ways as a sum of consecutive naturals, for example, 1571569 + ... + 1571898.

It is an arithmetic number, because the mean of its divisors is an integer number (56582424).

Almost surely, 2^518672055 is an apocalyptic number.

518672055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

518672055 is a deficient number, since it is larger than the sum of its proper divisors (386646729).

518672055 is a wasteful number, since it uses less digits than its factorization.

518672055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143486.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 518672055 is about 22774.3727685309. The cubic root of 518672055 is about 803.4600422061.

The spelling of 518672055 in words is "five hundred eighteen million, six hundred seventy-two thousand, fifty-five".