454568557 has 2 divisors, whose sum is σ = 454568558. Its totient is φ = 454568556.

The previous prime is 454568549. The next prime is 454568563. The reversal of 454568557 is 755865454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454286596 + 281961 = 21314^2 + 531^2 .

It is a cyclic number.

It is not a de Polignac number, because 454568557 - 2³ = 454568549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 454568557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454568857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227284278 + 227284279.

It is an arithmetic number, because the mean of its divisors is an integer number (227284279).

Almost surely, 2^454568557 is an apocalyptic number.

It is an amenable number.

454568557 is a deficient number, since it is larger than the sum of its proper divisors (1).

454568557 is an equidigital number, since it uses as much as digits as its factorization.

454568557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360000, while the sum is 49.

The square root of 454568557 is about 21320.6134292614. The cubic root of 454568557 is about 768.8939858354.

The spelling of 454568557 in words is "four hundred fifty-four million, five hundred sixty-eight thousand, five hundred fifty-seven".