552020401 has 4 divisors (see below), whose sum is σ = 576021312. Its totient is φ = 528019492.

The previous prime is 552020389. The next prime is 552020419. The reversal of 552020401 is 104020255.

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 a cyclic number.

It is not a de Polignac number, because 552020401 - 2⁹ = 552019889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552024401) 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, 12000421 + ... + 12000466.

It is an arithmetic number, because the mean of its divisors is an integer number (144005328).

Almost surely, 2^552020401 is an apocalyptic number.

It is an amenable number.

552020401 is a deficient number, since it is larger than the sum of its proper divisors (24000911).

552020401 is a wasteful number, since it uses less digits than its factorization.

552020401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24000910.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 552020401 is about 23495.1144070422. The cubic root of 552020401 is about 820.3232916187.

Adding to 552020401 its reverse (104020255), we get a palindrome (656040656).

It can be divided in two parts, 5520 and 20401, that added together give a square (25921 = 161²).

The spelling of 552020401 in words is "five hundred fifty-two million, twenty thousand, four hundred one".