49565945 has 32 divisors (see below), whose sum is σ = 70447104. Its totient is φ = 33004800.

The previous prime is 49565921. The next prime is 49565947. The reversal of 49565945 is 54956594.

It is not a de Polignac number, because 49565945 - 2⁸ = 49565689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49565945.

It is not an unprimeable number, because it can be changed into a prime (49565947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129224 + ... + 129606.

It is an arithmetic number, because the mean of its divisors is an integer number (2201472).

Almost surely, 2^49565945 is an apocalyptic number.

It is an amenable number.

49565945 is a deficient number, since it is larger than the sum of its proper divisors (20881159).

49565945 is a wasteful number, since it uses less digits than its factorization.

49565945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its digits is 972000, while the sum is 47.

The square root of 49565945 is about 7040.3085869868. The cubic root of 49565945 is about 367.3340018814.

It can be divided in two parts, 4956 and 5945, that added together give a palindrome (10901).

The spelling of 49565945 in words is "forty-nine million, five hundred sixty-five thousand, nine hundred forty-five".