45563729 has 8 divisors (see below), whose sum is σ = 48867840. Its totient is φ = 42350256.

The previous prime is 45563719. The next prime is 45563737. The reversal of 45563729 is 92736554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45563729 - 2⁸ = 45563473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45563719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21617 + ... + 23630.

It is an arithmetic number, because the mean of its divisors is an integer number (6108480).

Almost surely, 2^45563729 is an apocalyptic number.

It is an amenable number.

45563729 is a deficient number, since it is larger than the sum of its proper divisors (3304111).

45563729 is a wasteful number, since it uses less digits than its factorization.

45563729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45319.

The product of its digits is 226800, while the sum is 41.

The square root of 45563729 is about 6750.0910364231. The cubic root of 45563729 is about 357.1684480482.

The spelling of 45563729 in words is "forty-five million, five hundred sixty-three thousand, seven hundred twenty-nine".