553209457 has 2 divisors, whose sum is σ = 553209458. Its totient is φ = 553209456.

The previous prime is 553209443. The next prime is 553209469. The reversal of 553209457 is 754902355.

553209457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328479376 + 224730081 = 18124^2 + 14991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553209457 is a prime.

It is not a weakly prime, because it can be changed into another prime (553209407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276604728 + 276604729.

It is an arithmetic number, because the mean of its divisors is an integer number (276604729).

Almost surely, 2^553209457 is an apocalyptic number.

It is an amenable number.

553209457 is a deficient number, since it is larger than the sum of its proper divisors (1).

553209457 is an equidigital number, since it uses as much as digits as its factorization.

553209457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 553209457 is about 23520.4051198103. The cubic root of 553209457 is about 820.9118633574.

The spelling of 553209457 in words is "five hundred fifty-three million, two hundred nine thousand, four hundred fifty-seven".