552023557 has 2 divisors, whose sum is σ = 552023558. Its totient is φ = 552023556.

The previous prime is 552023533. The next prime is 552023561. The reversal of 552023557 is 755320255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 545642881 + 6380676 = 23359^2 + 2526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552023557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552023597) 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 as a sum of consecutive naturals, namely, 276011778 + 276011779.

It is an arithmetic number, because the mean of its divisors is an integer number (276011779).

Almost surely, 2^552023557 is an apocalyptic number.

It is an amenable number.

552023557 is a deficient number, since it is larger than the sum of its proper divisors (1).

552023557 is an equidigital number, since it uses as much as digits as its factorization.

552023557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 552023557 is about 23495.1815698453. The cubic root of 552023557 is about 820.3248549277.

The spelling of 552023557 in words is "five hundred fifty-two million, twenty-three thousand, five hundred fifty-seven".