45551810533 has 24 divisors (see below), whose sum is σ = 48312994560. Its totient is φ = 42902758080.

The previous prime is 45551810483. The next prime is 45551810561. The reversal of 45551810533 is 33501815554.

It is not a de Polignac number, because 45551810533 - 2²⁹ = 45014939621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45551814533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17939578 + ... + 17942116.

It is an arithmetic number, because the mean of its divisors is an integer number (2013041440).

Almost surely, 2^45551810533 is an apocalyptic number.

45551810533 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

45551810533 is a deficient number, since it is larger than the sum of its proper divisors (2761184027).

45551810533 is a wasteful number, since it uses less digits than its factorization.

45551810533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969 (or 2926 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 45551810533 in words is "forty-five billion, five hundred fifty-one million, eight hundred ten thousand, five hundred thirty-three".