45544532500 has 30 divisors (see below), whose sum is σ = 99596789138. Its totient is φ = 18217812000.

The previous prime is 45544532441. The next prime is 45544532503. The reversal of 45544532500 is 523544554.

It can be written as a sum of positive squares in 5 ways, for example, as 10079356816 + 35465175684 = 100396^2 + 188322^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45544532500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45544532503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9106407 + ... + 9111406.

Almost surely, 2^45544532500 is an apocalyptic number.

It is an amenable number.

45544532500 is an abundant number, since it is smaller than the sum of its proper divisors (54052256638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45544532500 is a wasteful number, since it uses less digits than its factorization.

45544532500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18217837 (or 18217820 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 45544532500 in words is "forty-five billion, five hundred forty-four million, five hundred thirty-two thousand, five hundred".