550627969 has 8 divisors (see below), whose sum is σ = 571343528. Its totient is φ = 530219520.

The previous prime is 550627967. The next prime is 550628021. The reversal of 550627969 is 969726055.

It can be written as a sum of positive squares in 4 ways, for example, as 90954369 + 459673600 = 9537^2 + 21440^2 .

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 550627969 - 2¹ = 550627967 is a prime.

It is a super-2 number, since 2×550627969² = 606382320490129922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550627967) 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, 73122 + ... + 80299.

It is an arithmetic number, because the mean of its divisors is an integer number (71417941).

Almost surely, 2^550627969 is an apocalyptic number.

It is an amenable number.

550627969 is a deficient number, since it is larger than the sum of its proper divisors (20715559).

550627969 is a wasteful number, since it uses less digits than its factorization.

550627969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153555.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 550627969 is about 23465.4633237872. The cubic root of 550627969 is about 819.6329752478.

The spelling of 550627969 in words is "five hundred fifty million, six hundred twenty-seven thousand, nine hundred sixty-nine".