550617258 has 32 divisors (see below), whose sum is σ = 1143509760. Its totient is φ = 176541120.

The previous prime is 550617241. The next prime is 550617259. The reversal of 550617258 is 852716055.

It is not an unprimeable number, because it can be changed into a prime (550617259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41316 + ... + 52992.

It is an arithmetic number, because the mean of its divisors is an integer number (35734680).

Almost surely, 2^550617258 is an apocalyptic number.

550617258 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

550617258 is an abundant number, since it is smaller than the sum of its proper divisors (592892502).

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

550617258 is a wasteful number, since it uses less digits than its factorization.

550617258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11982.

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

The square root of 550617258 is about 23465.2350936444. The cubic root of 550617258 is about 819.6276606214.

The spelling of 550617258 in words is "five hundred fifty million, six hundred seventeen thousand, two hundred fifty-eight".