552244342521 has 4 divisors (see below), whose sum is σ = 736325790032. Its totient is φ = 368162895012.

The previous prime is 552244342519. The next prime is 552244342543. The reversal of 552244342521 is 125243442255.

552244342521 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 552244342521 - 2¹ = 552244342519 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 552244342521.

It is not an unprimeable number, because it can be changed into a prime (552244342421) 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, 92040723751 + ... + 92040723756.

It is an arithmetic number, because the mean of its divisors is an integer number (184081447508).

Almost surely, 2^552244342521 is an apocalyptic number.

It is an amenable number.

552244342521 is a deficient number, since it is larger than the sum of its proper divisors (184081447511).

552244342521 is a wasteful number, since it uses less digits than its factorization.

552244342521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184081447510.

The product of its digits is 384000, while the sum is 39.

Adding to 552244342521 its reverse (125243442255), we get a palindrome (677487784776).

The spelling of 552244342521 in words is "five hundred fifty-two billion, two hundred forty-four million, three hundred forty-two thousand, five hundred twenty-one".