550538971 has 8 divisors (see below), whose sum is σ = 584213760. Its totient is φ = 517675752.

The previous prime is 550538921. The next prime is 550538993. The reversal of 550538971 is 179835055.

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 550538971 - 2⁹ = 550538459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550538921) 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, 201495 + ... + 204208.

It is an arithmetic number, because the mean of its divisors is an integer number (73026720).

Almost surely, 2^550538971 is an apocalyptic number.

550538971 is a deficient number, since it is larger than the sum of its proper divisors (33674789).

550538971 is a wasteful number, since it uses less digits than its factorization.

550538971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405785.

The product of its (nonzero) digits is 189000, while the sum is 43.

The square root of 550538971 is about 23463.5668857060. The cubic root of 550538971 is about 819.5888137751.

The spelling of 550538971 in words is "five hundred fifty million, five hundred thirty-eight thousand, nine hundred seventy-one".