45565947 has 12 divisors (see below), whose sum is σ = 75220080. Its totient is φ = 26037648.

The previous prime is 45565913. The next prime is 45565957. The reversal of 45565947 is 74956554.

45565947 is a `hidden beast` number, since 4 + 5 + 56 + 594 + 7 = 666.

It is not a de Polignac number, because 45565947 - 2²² = 41371643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45565957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361572 + ... + 361697.

It is an arithmetic number, because the mean of its divisors is an integer number (6268340).

Almost surely, 2^45565947 is an apocalyptic number.

45565947 is a deficient number, since it is larger than the sum of its proper divisors (29654133).

45565947 is a wasteful number, since it uses less digits than its factorization.

45565947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723282 (or 723279 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 45565947 is about 6750.2553285042. The cubic root of 45565947 is about 357.1742434969.

The spelling of 45565947 in words is "forty-five million, five hundred sixty-five thousand, nine hundred forty-seven".