550667611 has 4 divisors (see below), whose sum is σ = 593026672. Its totient is φ = 508308552.

The previous prime is 550667603. The next prime is 550667617. The reversal of 550667611 is 116766055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550667611 - 2³ = 550667603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550667617) 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 3 ways as a sum of consecutive naturals, for example, 21179511 + ... + 21179536.

It is an arithmetic number, because the mean of its divisors is an integer number (148256668).

Almost surely, 2^550667611 is an apocalyptic number.

550667611 is a deficient number, since it is larger than the sum of its proper divisors (42359061).

550667611 is a wasteful number, since it uses less digits than its factorization.

550667611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42359060.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 550667611 is about 23466.3079967855. The cubic root of 550667611 is about 819.6526443726.

The spelling of 550667611 in words is "five hundred fifty million, six hundred sixty-seven thousand, six hundred eleven".