550687141 has 4 divisors (see below), whose sum is σ = 550737792. Its totient is φ = 550636492.

The previous prime is 550687121. The next prime is 550687201. The reversal of 550687141 is 141786055.

550687141 = T₁₉₁₅₉ + T₁₉₁₆₀ + T₁₉₁₆₁.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 141786055 = 5 ⋅28357211.

It is a cyclic number.

It is not a de Polignac number, because 550687141 - 2¹⁵ = 550654373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550687141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550687121) 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, 1621 + ... + 33226.

It is an arithmetic number, because the mean of its divisors is an integer number (137684448).

Almost surely, 2^550687141 is an apocalyptic number.

550687141 is the 19161-st centered triangular number.

It is an amenable number.

550687141 is a deficient number, since it is larger than the sum of its proper divisors (50651).

550687141 is a wasteful number, since it uses less digits than its factorization.

550687141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50650.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 550687141 is about 23466.7241216153. The cubic root of 550687141 is about 819.6623342027.

The spelling of 550687141 in words is "five hundred fifty million, six hundred eighty-seven thousand, one hundred forty-one".