45563939 has 4 divisors (see below), whose sum is σ = 45587256. Its totient is φ = 45540624.

The previous prime is 45563923. The next prime is 45563963. The reversal of 45563939 is 93936554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45563939 - 2⁴ = 45563923 is a prime.

It is a super-3 number, since 3×45563939³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45563939.

It is not an unprimeable number, because it can be changed into a prime (45563039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8429 + ... + 12734.

It is an arithmetic number, because the mean of its divisors is an integer number (11396814).

Almost surely, 2^45563939 is an apocalyptic number.

45563939 is a deficient number, since it is larger than the sum of its proper divisors (23317).

45563939 is a wasteful number, since it uses less digits than its factorization.

45563939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23316.

The product of its digits is 437400, while the sum is 44.

The square root of 45563939 is about 6750.1065917510. The cubic root of 45563939 is about 357.1689967687.

The spelling of 45563939 in words is "forty-five million, five hundred sixty-three thousand, nine hundred thirty-nine".