45475562500 has 63 divisors (see below), whose sum is σ = 99593275971. Its totient is φ = 18168900000.

The previous prime is 45475562477. The next prime is 45475562507. The reversal of 45475562500 is 526557454.

The square root of 45475562500 is 213250.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 10 ways, for example, as 14600855556 + 30874706944 = 120834^2 + 175712^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45475562507) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 53312074 + ... + 53312926.

Almost surely, 2^45475562500 is an apocalyptic number.

45475562500 is the 213250-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45475562500

45475562500 is an abundant number, since it is smaller than the sum of its proper divisors (54117713471).

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

45475562500 is an frugal number, since it uses more digits than its factorization.

45475562500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 43.

The spelling of 45475562500 in words is "forty-five billion, four hundred seventy-five million, five hundred sixty-two thousand, five hundred".