518959056 has 80 divisors (see below), whose sum is σ = 1671464448. Its totient is φ = 134793600.

The previous prime is 518959039. The next prime is 518959073. The reversal of 518959056 is 650959815.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (518959039) and next prime (518959073).

It is a super-2 number, since 2×518959056² = 538637003608822272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 518958996 and 518959014.

It is a congruent number.

It is an unprimeable number.

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, 66510 + ... + 73901.

Almost surely, 2^518959056 is an apocalyptic number.

518959056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

518959056 is an abundant number, since it is smaller than the sum of its proper divisors (1152505392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

518959056 is a wasteful number, since it uses less digits than its factorization.

518959056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140440 (or 140434 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 48.

The square root of 518959056 is about 22780.6728610022. The cubic root of 518959056 is about 803.6082098934.

The spelling of 518959056 in words is "five hundred eighteen million, nine hundred fifty-nine thousand, fifty-six".