550011621241 has 4 divisors (see below), whose sum is σ = 550190956432. Its totient is φ = 549832286052.

The previous prime is 550011621239. The next prime is 550011621307. The reversal of 550011621241 is 142126110055.

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.

It is a cyclic number.

It is not a de Polignac number, because 550011621241 - 2¹ = 550011621239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550011624241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89662995 + ... + 89669128.

It is an arithmetic number, because the mean of its divisors is an integer number (137547739108).

Almost surely, 2^550011621241 is an apocalyptic number.

It is an amenable number.

550011621241 is a deficient number, since it is larger than the sum of its proper divisors (179335191).

550011621241 is a wasteful number, since it uses less digits than its factorization.

550011621241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179335190.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 550011621241 its reverse (142126110055), we get a palindrome (692137731296).

The spelling of 550011621241 in words is "five hundred fifty billion, eleven million, six hundred twenty-one thousand, two hundred forty-one".