550061131 has 4 divisors (see below), whose sum is σ = 551249632. Its totient is φ = 548872632.

The previous prime is 550061111. The next prime is 550061147. The reversal of 550061131 is 131160055.

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 550061131 - 2¹³ = 550052939 is a prime.

It is a super-2 number, since 2×550061131² = 605134495673998322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550061111) 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, 593556 + ... + 594481.

It is an arithmetic number, because the mean of its divisors is an integer number (137812408).

Almost surely, 2^550061131 is an apocalyptic number.

550061131 is a deficient number, since it is larger than the sum of its proper divisors (1188501).

550061131 is a wasteful number, since it uses less digits than its factorization.

550061131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188500.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 550061131 is about 23453.3820802033. The cubic root of 550061131 is about 819.3516245843.

The spelling of 550061131 in words is "five hundred fifty million, sixty-one thousand, one hundred thirty-one".