5545500001 has 4 divisors (see below), whose sum is σ = 5545756692. Its totient is φ = 5545243312.

The previous prime is 5545499963. The next prime is 5545500017. The reversal of 5545500001 is 1000055455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2482430976 + 3063069025 = 49824^2 + 55345^2 .

It is a cyclic number.

It is not a de Polignac number, because 5545500001 - 2²⁹ = 5008629089 is a prime.

It is a super-2 number, since 2×5545500001² = 61505140522182000002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5545500071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92626 + ... + 140251.

It is an arithmetic number, because the mean of its divisors is an integer number (1386439173).

Almost surely, 2^5545500001 is an apocalyptic number.

It is an amenable number.

5545500001 is a deficient number, since it is larger than the sum of its proper divisors (256691).

5545500001 is a wasteful number, since it uses less digits than its factorization.

5545500001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256690.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 5545500001 is about 74468.1139884716. The cubic root of 5545500001 is about 1770.0284078346.

Adding to 5545500001 its reverse (1000055455), we get a palindrome (6545555456).

The spelling of 5545500001 in words is "five billion, five hundred forty-five million, five hundred thousand, one".