557272049 has 2 divisors, whose sum is σ = 557272050. Its totient is φ = 557272048.

The previous prime is 557272039. The next prime is 557272057. The reversal of 557272049 is 940272755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388090000 + 169182049 = 19700^2 + 13007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557272049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557271997 and 557272015.

It is not a weakly prime, because it can be changed into another prime (557272039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278636024 + 278636025.

It is an arithmetic number, because the mean of its divisors is an integer number (278636025).

Almost surely, 2^557272049 is an apocalyptic number.

It is an amenable number.

557272049 is a deficient number, since it is larger than the sum of its proper divisors (1).

557272049 is an equidigital number, since it uses as much as digits as its factorization.

557272049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 557272049 is about 23606.6102818681. The cubic root of 557272049 is about 822.9164683500.

The spelling of 557272049 in words is "five hundred fifty-seven million, two hundred seventy-two thousand, forty-nine".