45444553 has 32 divisors (see below), whose sum is σ = 60652800. Its totient is φ = 32962560.

The previous prime is 45444533. The next prime is 45444569. The reversal of 45444553 is 35544454.

It is a cyclic number.

It is not a de Polignac number, because 45444553 - 2¹³ = 45436361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45444533) 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, 194925 + ... + 195157.

It is an arithmetic number, because the mean of its divisors is an integer number (1895400).

Almost surely, 2^45444553 is an apocalyptic number.

It is an amenable number.

45444553 is a deficient number, since it is larger than the sum of its proper divisors (15208247).

45444553 is a wasteful number, since it uses less digits than its factorization.

45444553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its digits is 96000, while the sum is 34.

The square root of 45444553 is about 6741.2575236376. The cubic root of 45444553 is about 356.8567741680.

Subtracting from 45444553 its reverse (35544454), we obtain a palindrome (9900099).

The spelling of 45444553 in words is "forty-five million, four hundred forty-four thousand, five hundred fifty-three".