550695871 has 8 divisors (see below), whose sum is σ = 603408384. Its totient is φ = 498424920.

The previous prime is 550695857. The next prime is 550695881. The reversal of 550695871 is 178596055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550695871 - 2²⁵ = 517141439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550695881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107775 + ... + 112768.

It is an arithmetic number, because the mean of its divisors is an integer number (75426048).

Almost surely, 2^550695871 is an apocalyptic number.

550695871 is a deficient number, since it is larger than the sum of its proper divisors (52712513).

550695871 is a wasteful number, since it uses less digits than its factorization.

550695871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220781.

The product of its (nonzero) digits is 378000, while the sum is 46.

The square root of 550695871 is about 23466.9101289454. The cubic root of 550695871 is about 819.6666655274. Note that the first 5 decimals are identical.

The spelling of 550695871 in words is "five hundred fifty million, six hundred ninety-five thousand, eight hundred seventy-one".