550046124021 has 4 divisors (see below), whose sum is σ = 733394832032. Its totient is φ = 366697416012.

The previous prime is 550046123989. The next prime is 550046124053. The reversal of 550046124021 is 120421640055.

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 an interprime number because it is at equal distance from previous prime (550046123989) and next prime (550046124053).

It is not a de Polignac number, because 550046124021 - 2⁵ = 550046123989 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 550046124021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550046124521) 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, 91674354001 + ... + 91674354006.

It is an arithmetic number, because the mean of its divisors is an integer number (183348708008).

Almost surely, 2^550046124021 is an apocalyptic number.

It is an amenable number.

550046124021 is a deficient number, since it is larger than the sum of its proper divisors (183348708011).

550046124021 is a wasteful number, since it uses less digits than its factorization.

550046124021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183348708010.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 550046124021 its reverse (120421640055), we get a palindrome (670467764076).

The spelling of 550046124021 in words is "five hundred fifty billion, forty-six million, one hundred twenty-four thousand, twenty-one".