552404123 has 4 divisors (see below), whose sum is σ = 553192848. Its totient is φ = 551615400.

The previous prime is 552404059. The next prime is 552404129. The reversal of 552404123 is 321404255.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 552404123 - 2⁶ = 552404059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 552404092 and 552404101.

It is not an unprimeable number, because it can be changed into a prime (552404129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393311 + ... + 394712.

It is an arithmetic number, because the mean of its divisors is an integer number (138298212).

Almost surely, 2^552404123 is an apocalyptic number.

552404123 is a deficient number, since it is larger than the sum of its proper divisors (788725).

552404123 is an equidigital number, since it uses as much as digits as its factorization.

552404123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788724.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 552404123 is about 23503.2789840056. The cubic root of 552404123 is about 820.5133227514.

Adding to 552404123 its reverse (321404255), we get a palindrome (873808378).

The spelling of 552404123 in words is "five hundred fifty-two million, four hundred four thousand, one hundred twenty-three".