45053403521 has 16 divisors (see below), whose sum is σ = 51654603264. Its totient is φ = 38493633024.

The previous prime is 45053403463. The next prime is 45053403529. The reversal of 45053403521 is 12530435054.

It is a happy number.

It is not a de Polignac number, because 45053403521 - 2¹⁰ = 45053402497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45053403529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3341225 + ... + 3354681.

It is an arithmetic number, because the mean of its divisors is an integer number (3228412704).

Almost surely, 2^45053403521 is an apocalyptic number.

It is an amenable number.

45053403521 is a deficient number, since it is larger than the sum of its proper divisors (6601199743).

45053403521 is a wasteful number, since it uses less digits than its factorization.

45053403521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14960.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 45053403521 its reverse (12530435054), we get a palindrome (57583838575).

The spelling of 45053403521 in words is "forty-five billion, fifty-three million, four hundred three thousand, five hundred twenty-one".