45555324521 has 16 divisors (see below), whose sum is σ = 54840639360. Its totient is φ = 36967155840.

The previous prime is 45555324497. The next prime is 45555324553. The reversal of 45555324521 is 12542355554.

It is a cyclic number.

It is not a de Polignac number, because 45555324521 - 2²⁶ = 45488215657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45555324421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81335 + ... + 312611.

It is an arithmetic number, because the mean of its divisors is an integer number (3427539960).

Almost surely, 2^45555324521 is an apocalyptic number.

It is an amenable number.

45555324521 is a deficient number, since it is larger than the sum of its proper divisors (9285314839).

45555324521 is a wasteful number, since it uses less digits than its factorization.

45555324521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232784.

The product of its digits is 600000, while the sum is 41.

The spelling of 45555324521 in words is "forty-five billion, five hundred fifty-five million, three hundred twenty-four thousand, five hundred twenty-one".