550905583 has 8 divisors (see below), whose sum is σ = 557057088. Its totient is φ = 544763904.

The previous prime is 550905541. The next prime is 550905599. The reversal of 550905583 is 385509055.

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 550905583 - 2²⁵ = 517351151 is a prime.

It is a super-2 number, since 2×550905583² = 606993922761139778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550905533) 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, 198735 + ... + 201487.

It is an arithmetic number, because the mean of its divisors is an integer number (69632136).

Almost surely, 2^550905583 is an apocalyptic number.

550905583 is a deficient number, since it is larger than the sum of its proper divisors (6151505).

550905583 is a wasteful number, since it uses less digits than its factorization.

550905583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 550905583 is about 23471.3779527321. The cubic root of 550905583 is about 819.7706988239.

The spelling of 550905583 in words is "five hundred fifty million, nine hundred five thousand, five hundred eighty-three".