5545221051 has 16 divisors (see below), whose sum is σ = 7651906560. Its totient is φ = 3567785760.

The previous prime is 5545221049. The next prime is 5545221067. The reversal of 5545221051 is 1501225455.

5545221051 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5545221051 - 2¹ = 5545221049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5545221001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207606 + ... + 232788.

It is an arithmetic number, because the mean of its divisors is an integer number (478244160).

Almost surely, 2^5545221051 is an apocalyptic number.

5545221051 is a deficient number, since it is larger than the sum of its proper divisors (2106685509).

5545221051 is a wasteful number, since it uses less digits than its factorization.

5545221051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27746.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 5545221051 is about 74466.2410156441. The cubic root of 5545221051 is about 1769.9987286530.

The spelling of 5545221051 in words is "five billion, five hundred forty-five million, two hundred twenty-one thousand, fifty-one".