557285459 has 2 divisors, whose sum is σ = 557285460. Its totient is φ = 557285458.

The previous prime is 557285437. The next prime is 557285471. The reversal of 557285459 is 954582755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557285459 - 2¹² = 557281363 is a prime.

It is not a weakly prime, because it can be changed into another prime (557285429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278642729 + 278642730.

It is an arithmetic number, because the mean of its divisors is an integer number (278642730).

Almost surely, 2^557285459 is an apocalyptic number.

557285459 is a deficient number, since it is larger than the sum of its proper divisors (1).

557285459 is an equidigital number, since it uses as much as digits as its factorization.

557285459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520000, while the sum is 50.

The square root of 557285459 is about 23606.8943107729. The cubic root of 557285459 is about 822.9230690885.

The spelling of 557285459 in words is "five hundred fifty-seven million, two hundred eighty-five thousand, four hundred fifty-nine".