45647553 has 16 divisors (see below), whose sum is σ = 71177216. Its totient is φ = 25477200.

The previous prime is 45647527. The next prime is 45647561. The reversal of 45647553 is 35574654.

It is not a de Polignac number, because 45647553 - 2¹⁰ = 45646529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45647573) 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 15 ways as a sum of consecutive naturals, for example, 24373 + ... + 26178.

It is an arithmetic number, because the mean of its divisors is an integer number (4448576).

Almost surely, 2^45647553 is an apocalyptic number.

45647553 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

45647553 is a deficient number, since it is larger than the sum of its proper divisors (25529663).

45647553 is a wasteful number, since it uses less digits than its factorization.

45647553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50604.

The product of its digits is 252000, while the sum is 39.

The square root of 45647553 is about 6756.2972847559. The cubic root of 45647553 is about 357.3873425324.

The spelling of 45647553 in words is "forty-five million, six hundred forty-seven thousand, five hundred fifty-three".