550511411 has 4 divisors (see below), whose sum is σ = 553278000. Its totient is φ = 547744824.

The previous prime is 550511333. The next prime is 550511461. The reversal of 550511411 is 114115055.

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 550511411 - 2¹⁸ = 550249267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550511461) 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 3 ways as a sum of consecutive naturals, for example, 1382996 + ... + 1383393.

It is an arithmetic number, because the mean of its divisors is an integer number (138319500).

Almost surely, 2^550511411 is an apocalyptic number.

550511411 is a deficient number, since it is larger than the sum of its proper divisors (2766589).

550511411 is a wasteful number, since it uses less digits than its factorization.

550511411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766588.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 550511411 is about 23462.9795848694. The cubic root of 550511411 is about 819.5751373321.

Adding to 550511411 its reverse (114115055), we get a palindrome (664626466).

The spelling of 550511411 in words is "five hundred fifty million, five hundred eleven thousand, four hundred eleven".