552240401 has 8 divisors (see below), whose sum is σ = 562750464. Its totient is φ = 541810080.

The previous prime is 552240391. The next prime is 552240421. The reversal of 552240401 is 104042255.

It is a happy number.

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 552240401 - 2¹⁰ = 552239377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552240421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5861 + ... + 33746.

It is an arithmetic number, because the mean of its divisors is an integer number (70343808).

Almost surely, 2^552240401 is an apocalyptic number.

It is an amenable number.

552240401 is a deficient number, since it is larger than the sum of its proper divisors (10510063).

552240401 is a wasteful number, since it uses less digits than its factorization.

552240401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39871.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 552240401 is about 23499.7957650700. The cubic root of 552240401 is about 820.4322532648.

Adding to 552240401 its reverse (104042255), we get a palindrome (656282656).

The spelling of 552240401 in words is "five hundred fifty-two million, two hundred forty thousand, four hundred one".