45125550522 has 56 divisors (see below), whose sum is σ = 109292729364. Its totient is φ = 13884778944.

The previous prime is 45125550521. The next prime is 45125550527. The reversal of 45125550522 is 22505552154.

45125550522 is a `hidden beast` number, since 4 + 5 + 125 + 5 + 5 + 0 + 522 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44045836641 + 1079713881 = 209871^2 + 32859^2 .

It is not an unprimeable number, because it can be changed into a prime (45125550521) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1171443 + ... + 1209350.

Almost surely, 2^45125550522 is an apocalyptic number.

45125550522 is an abundant number, since it is smaller than the sum of its proper divisors (64167178842).

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

45125550522 is a wasteful number, since it uses less digits than its factorization.

45125550522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380826 (or 2380811 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 45125550522 in words is "forty-five billion, one hundred twenty-five million, five hundred fifty thousand, five hundred twenty-two".