45563647 has 2 divisors, whose sum is σ = 45563648. Its totient is φ = 45563646.

The previous prime is 45563641. The next prime is 45563671. The reversal of 45563647 is 74636554.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45563647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45563641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22781823 + 22781824.

It is an arithmetic number, because the mean of its divisors is an integer number (22781824).

Almost surely, 2^45563647 is an apocalyptic number.

45563647 is a deficient number, since it is larger than the sum of its proper divisors (1).

45563647 is an equidigital number, since it uses as much as digits as its factorization.

45563647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 40.

The square root of 45563647 is about 6750.0849624283. The cubic root of 45563647 is about 357.1682337854.

The spelling of 45563647 in words is "forty-five million, five hundred sixty-three thousand, six hundred forty-seven".