45053649 has 6 divisors (see below), whose sum is σ = 65077506. Its totient is φ = 30035760.

The previous prime is 45053647. The next prime is 45053677. The reversal of 45053649 is 94635054.

It is a happy number.

45053649 is a `hidden beast` number, since 4 + 5 + 0 + 5 + 3 + 649 = 666.

It can be written as a sum of positive squares in only one way, i.e., 35319249 + 9734400 = 5943^2 + 3120^2 .

It is not a de Polignac number, because 45053649 - 2¹ = 45053647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45053641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2502972 + ... + 2502989.

It is an arithmetic number, because the mean of its divisors is an integer number (10846251).

Almost surely, 2^45053649 is an apocalyptic number.

It is an amenable number.

45053649 is a deficient number, since it is larger than the sum of its proper divisors (20023857).

45053649 is a wasteful number, since it uses less digits than its factorization.

45053649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005967 (or 5005964 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 45053649 is about 6712.2015017429. The cubic root of 45053649 is about 355.8306252532.

The spelling of 45053649 in words is "forty-five million, fifty-three thousand, six hundred forty-nine".