550112442421 has 8 divisors (see below), whose sum is σ = 564894919064. Its totient is φ = 535515909120.

The previous prime is 550112442403. The next prime is 550112442427. The reversal of 550112442421 is 124244211055.

It can be written as a sum of positive squares in 4 ways, for example, as 25916170225 + 524196272196 = 160985^2 + 724014^2 .

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 550112442421 - 2⁵ = 550112442389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550112442427) 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, 46479840 + ... + 46491673.

It is an arithmetic number, because the mean of its divisors is an integer number (70611864883).

Almost surely, 2^550112442421 is an apocalyptic number.

It is an amenable number.

550112442421 is a deficient number, since it is larger than the sum of its proper divisors (14782476643).

550112442421 is an equidigital number, since it uses as much as digits as its factorization.

550112442421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92971671.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 550112442421 its reverse (124244211055), we get a palindrome (674356653476).

The spelling of 550112442421 in words is "five hundred fifty billion, one hundred twelve million, four hundred forty-two thousand, four hundred twenty-one".