455555957 has 2 divisors, whose sum is σ = 455555958. Its totient is φ = 455555956.

The previous prime is 455555939. The next prime is 455555993. The reversal of 455555957 is 759555554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432265681 + 23290276 = 20791^2 + 4826^2 .

It is a cyclic number.

It is not a de Polignac number, because 455555957 - 2⁸ = 455555701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455555927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227777978 + 227777979.

It is an arithmetic number, because the mean of its divisors is an integer number (227777979).

Almost surely, 2^455555957 is an apocalyptic number.

It is an amenable number.

455555957 is a deficient number, since it is larger than the sum of its proper divisors (1).

455555957 is an equidigital number, since it uses as much as digits as its factorization.

455555957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3937500, while the sum is 50.

The square root of 455555957 is about 21343.7568623708. The cubic root of 455555957 is about 769.4503059359.

The spelling of 455555957 in words is "four hundred fifty-five million, five hundred fifty-five thousand, nine hundred fifty-seven".