552915509 has 2 divisors, whose sum is σ = 552915510. Its totient is φ = 552915508.

The previous prime is 552915487. The next prime is 552915541. The reversal of 552915509 is 905519255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393903409 + 159012100 = 19847^2 + 12610^2 .

It is a cyclic number.

It is not a de Polignac number, because 552915509 - 2²⁴ = 536138293 is a prime.

It is a Chen prime.

It is equal to p_28990481 and since 552915509 and 28990481 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552915569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276457754 + 276457755.

It is an arithmetic number, because the mean of its divisors is an integer number (276457755).

Almost surely, 2^552915509 is an apocalyptic number.

It is an amenable number.

552915509 is a deficient number, since it is larger than the sum of its proper divisors (1).

552915509 is an equidigital number, since it uses as much as digits as its factorization.

552915509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 101250, while the sum is 41.

The square root of 552915509 is about 23514.1555025903. The cubic root of 552915509 is about 820.7664403480.

The spelling of 552915509 in words is "five hundred fifty-two million, nine hundred fifteen thousand, five hundred nine".