550646105 has 16 divisors (see below), whose sum is σ = 690142464. Its totient is φ = 420974400.

The previous prime is 550646077. The next prime is 550646119. The reversal of 550646105 is 501646055.

It is not a de Polignac number, because 550646105 - 2¹⁴ = 550629721 is a prime.

It is a super-2 number, since 2×550646105² = 606422265903342050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214580 + ... + 217130.

It is an arithmetic number, because the mean of its divisors is an integer number (43133904).

Almost surely, 2^550646105 is an apocalyptic number.

It is an amenable number.

550646105 is a deficient number, since it is larger than the sum of its proper divisors (139496359).

550646105 is a wasteful number, since it uses less digits than its factorization.

550646105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 550646105 is about 23465.8497608759. The cubic root of 550646105 is about 819.6419738828.

Subtracting from 550646105 its reverse (501646055), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 550646105 in words is "five hundred fifty million, six hundred forty-six thousand, one hundred five".