552445693 has 2 divisors, whose sum is σ = 552445694. Its totient is φ = 552445692.

The previous prime is 552445633. The next prime is 552445697. The reversal of 552445693 is 396544255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543216249 + 9229444 = 23307^2 + 3038^2 .

It is a cyclic number.

It is not a de Polignac number, because 552445693 - 2²¹ = 550348541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552445697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276222846 + 276222847.

It is an arithmetic number, because the mean of its divisors is an integer number (276222847).

Almost surely, 2^552445693 is an apocalyptic number.

It is an amenable number.

552445693 is a deficient number, since it is larger than the sum of its proper divisors (1).

552445693 is an equidigital number, since it uses as much as digits as its factorization.

552445693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 43.

The square root of 552445693 is about 23504.1633120603. The cubic root of 552445693 is about 820.5339042314.

The spelling of 552445693 in words is "five hundred fifty-two million, four hundred forty-five thousand, six hundred ninety-three".