552425324021 has 4 divisors (see below), whose sum is σ = 552966388044. Its totient is φ = 551884260000.

The previous prime is 552425323997. The next prime is 552425324071. The reversal of 552425324021 is 120423524255.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152888820100 + 399536503921 = 391010^2 + 632089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552425324021 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 (552425324071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270530480 + ... + 270532521.

It is an arithmetic number, because the mean of its divisors is an integer number (138241597011).

Almost surely, 2^552425324021 is an apocalyptic number.

It is an amenable number.

552425324021 is a deficient number, since it is larger than the sum of its proper divisors (541064023).

552425324021 is a wasteful number, since it uses less digits than its factorization.

552425324021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541064022.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 552425324021 its reverse (120423524255), we get a palindrome (672848848276).

The spelling of 552425324021 in words is "five hundred fifty-two billion, four hundred twenty-five million, three hundred twenty-four thousand, twenty-one".