518863054 has 4 divisors (see below), whose sum is σ = 778294584. Its totient is φ = 259431526.

The previous prime is 518863043. The next prime is 518863087. The reversal of 518863054 is 450368815.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 518862998 and 518863016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129715762 + ... + 129715765.

It is an arithmetic number, because the mean of its divisors is an integer number (194573646).

Almost surely, 2^518863054 is an apocalyptic number.

518863054 is a deficient number, since it is larger than the sum of its proper divisors (259431530).

518863054 is a wasteful number, since it uses less digits than its factorization.

518863054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259431529.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 518863054 is about 22778.5656703841. The cubic root of 518863054 is about 803.5586537983.

The spelling of 518863054 in words is "five hundred eighteen million, eight hundred sixty-three thousand, fifty-four".