45549856 has 24 divisors (see below), whose sum is σ = 97829424. Its totient is φ = 20704320.

The previous prime is 45549853. The next prime is 45549971. The reversal of 45549856 is 65894554.

It is not an unprimeable number, because it can be changed into a prime (45549853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64350 + ... + 65053.

It is an arithmetic number, because the mean of its divisors is an integer number (4076226).

Almost surely, 2^45549856 is an apocalyptic number.

It is an amenable number.

45549856 is an abundant number, since it is smaller than the sum of its proper divisors (52279568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45549856 is a wasteful number, since it uses less digits than its factorization.

45549856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129424 (or 129416 counting only the distinct ones).

The product of its digits is 864000, while the sum is 46.

The square root of 45549856 is about 6749.0633424202. The cubic root of 45549856 is about 357.1321947903.

It can be divided in two parts, 455498 and 56, that added together give a palindrome (455554).

The spelling of 45549856 in words is "forty-five million, five hundred forty-nine thousand, eight hundred fifty-six".