552521839 has 2 divisors, whose sum is σ = 552521840. Its totient is φ = 552521838.

The previous prime is 552521831. The next prime is 552521861. The reversal of 552521839 is 938125255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 552521839 - 2³ = 552521831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552521831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276260919 + 276260920.

It is an arithmetic number, because the mean of its divisors is an integer number (276260920).

Almost surely, 2^552521839 is an apocalyptic number.

552521839 is a deficient number, since it is larger than the sum of its proper divisors (1).

552521839 is an equidigital number, since it uses as much as digits as its factorization.

552521839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 40.

The square root of 552521839 is about 23505.7830969317. The cubic root of 552521839 is about 820.5716017554.

The spelling of 552521839 in words is "five hundred fifty-two million, five hundred twenty-one thousand, eight hundred thirty-nine".