550153331 has 24 divisors (see below), whose sum is σ = 698703264. Its totient is φ = 429287040.

The previous prime is 550153319. The next prime is 550153339. The reversal of 550153331 is 133351055.

It is not a de Polignac number, because 550153331 - 2⁶ = 550153267 is a prime.

It is a super-2 number, since 2×550153331² = 605337375220791122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550153331.

It is not an unprimeable number, because it can be changed into a prime (550153339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40586 + ... + 52416.

It is an arithmetic number, because the mean of its divisors is an integer number (29112636).

Almost surely, 2^550153331 is an apocalyptic number.

550153331 is a deficient number, since it is larger than the sum of its proper divisors (148549933).

550153331 is a wasteful number, since it uses less digits than its factorization.

550153331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11931 (or 11924 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 550153331 is about 23455.3475992150. The cubic root of 550153331 is about 819.3974013141.

The spelling of 550153331 in words is "five hundred fifty million, one hundred fifty-three thousand, three hundred thirty-one".