557645107 has 2 divisors, whose sum is σ = 557645108. Its totient is φ = 557645106.

The previous prime is 557645063. The next prime is 557645197. The reversal of 557645107 is 701546755.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557645107 - 2¹⁵ = 557612339 is a prime.

It is a super-2 number, since 2×557645107² = 621936130722082898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 557645107.

It is not a weakly prime, because it can be changed into another prime (557645197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278822553 + 278822554.

It is an arithmetic number, because the mean of its divisors is an integer number (278822554).

Almost surely, 2^557645107 is an apocalyptic number.

557645107 is a deficient number, since it is larger than the sum of its proper divisors (1).

557645107 is an equidigital number, since it uses as much as digits as its factorization.

557645107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 557645107 is about 23614.5105178998. The cubic root of 557645107 is about 823.1000573727.

The spelling of 557645107 in words is "five hundred fifty-seven million, six hundred forty-five thousand, one hundred seven".