550416331 has 4 divisors (see below), whose sum is σ = 551892352. Its totient is φ = 548940312.

The previous prime is 550416313. The next prime is 550416343. The reversal of 550416331 is 133614055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550416331 - 2⁵ = 550416299 is a prime.

It is a super-2 number, since 2×550416331² = 605916274863003122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550416331.

It is not an unprimeable number, because it can be changed into a prime (550416631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737451 + ... + 738196.

It is an arithmetic number, because the mean of its divisors is an integer number (137973088).

Almost surely, 2^550416331 is an apocalyptic number.

550416331 is a deficient number, since it is larger than the sum of its proper divisors (1476021).

550416331 is a wasteful number, since it uses less digits than its factorization.

550416331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476020.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 550416331 is about 23460.9533267512. The cubic root of 550416331 is about 819.5279510921.

The spelling of 550416331 in words is "five hundred fifty million, four hundred sixteen thousand, three hundred thirty-one".