550105559 has 8 divisors (see below), whose sum is σ = 574934112. Its totient is φ = 525352960.

The previous prime is 550105541. The next prime is 550105561. The reversal of 550105559 is 955501055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550105559 is a prime.

It is a super-2 number, since 2×550105559² = 605232252085404962, 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 (550104559) 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, 3914 + ... + 33399.

It is an arithmetic number, because the mean of its divisors is an integer number (71866764).

Almost surely, 2^550105559 is an apocalyptic number.

550105559 is a deficient number, since it is larger than the sum of its proper divisors (24828553).

550105559 is a wasteful number, since it uses less digits than its factorization.

550105559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37977.

The product of its (nonzero) digits is 28125, while the sum is 35.

The square root of 550105559 is about 23454.3292165860. The cubic root of 550105559 is about 819.3736834501.

The spelling of 550105559 in words is "five hundred fifty million, one hundred five thousand, five hundred fifty-nine".