550540021043 has 8 divisors (see below), whose sum is σ = 562437468480. Its totient is φ = 538650233280.

The previous prime is 550540021007. The next prime is 550540021061. The reversal of 550540021043 is 340120045055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550540021043 - 2²⁶ = 550472912179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550540020997 and 550540021015.

It is not an unprimeable number, because it can be changed into a prime (550540021243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769498 + ... + 2057231.

It is an arithmetic number, because the mean of its divisors is an integer number (70304683560).

Almost surely, 2^550540021043 is an apocalyptic number.

550540021043 is a deficient number, since it is larger than the sum of its proper divisors (11897447437).

550540021043 is a wasteful number, since it uses less digits than its factorization.

550540021043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829837.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 550540021043 its reverse (340120045055), we get a palindrome (890660066098).

The spelling of 550540021043 in words is "five hundred fifty billion, five hundred forty million, twenty-one thousand, forty-three".