550620609 has 32 divisors (see below), whose sum is σ = 923913216. Its totient is φ = 283350720.

The previous prime is 550620607. The next prime is 550620613. The reversal of 550620609 is 906026055.

It is not a de Polignac number, because 550620609 - 2¹ = 550620607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 550620609.

It is not an unprimeable number, because it can be changed into a prime (550620607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13579 + ... + 35855.

It is an arithmetic number, because the mean of its divisors is an integer number (28872288).

Almost surely, 2^550620609 is an apocalyptic number.

It is an amenable number.

550620609 is a deficient number, since it is larger than the sum of its proper divisors (373292607).

550620609 is a wasteful number, since it uses less digits than its factorization.

550620609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22405.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 550620609 is about 23465.3064970394. The cubic root of 550620609 is about 819.6293233413.

The spelling of 550620609 in words is "five hundred fifty million, six hundred twenty thousand, six hundred nine".