550109901 has 8 divisors (see below), whose sum is σ = 800159904. Its totient is φ = 333399920.

The previous prime is 550109893. The next prime is 550109909. The reversal of 550109901 is 109901055.

It is an interprime number because it is at equal distance from previous prime (550109893) and next prime (550109909).

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 550109901 - 2³ = 550109893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550109909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8334966 + ... + 8335031.

It is an arithmetic number, because the mean of its divisors is an integer number (100019988).

Almost surely, 2^550109901 is an apocalyptic number.

It is an amenable number.

550109901 is a deficient number, since it is larger than the sum of its proper divisors (250050003).

550109901 is a wasteful number, since it uses less digits than its factorization.

550109901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16670011.

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 550109901 is about 23454.4217792722. The cubic root of 550109901 is about 819.3758392249.

The spelling of 550109901 in words is "five hundred fifty million, one hundred nine thousand, nine hundred one".