550768317 has 16 divisors (see below), whose sum is σ = 801541440. Its totient is φ = 333622400.

The previous prime is 550768303. The next prime is 550768321. The reversal of 550768317 is 713867055.

It is a cyclic number.

It is not a de Polignac number, because 550768317 - 2⁴ = 550768301 is a prime.

It is a super-2 number, since 2×550768317² = 606691478022024978, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550768117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87409 + ... + 93497.

It is an arithmetic number, because the mean of its divisors is an integer number (50096340).

Almost surely, 2^550768317 is an apocalyptic number.

It is an amenable number.

550768317 is a deficient number, since it is larger than the sum of its proper divisors (250773123).

550768317 is a wasteful number, since it uses less digits than its factorization.

550768317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8844.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 550768317 is about 23468.4536559186. The cubic root of 550768317 is about 819.7026073061.

It can be divided in two parts, 550 and 768317, that added together give a palindrome (768867).

The spelling of 550768317 in words is "five hundred fifty million, seven hundred sixty-eight thousand, three hundred seventeen".