5545444 has 6 divisors (see below), whose sum is σ = 9704534. Its totient is φ = 2772720.

The previous prime is 5545439. The next prime is 5545447. The reversal of 5545444 is 4445455.

It is a happy number.

5545444 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in only one way, i.e., 4665600 + 879844 = 2160^2 + 938^2 .

It is not an unprimeable number, because it can be changed into a prime (5545447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693177 + ... + 693184.

Almost surely, 2^5545444 is an apocalyptic number.

It is an amenable number.

5545444 is a deficient number, since it is larger than the sum of its proper divisors (4159090).

5545444 is a wasteful number, since it uses less digits than its factorization.

5545444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386365 (or 1386363 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 5545444 is about 2354.8766422044. The cubic root of 5545444 is about 177.0022449629.

The spelling of 5545444 in words is "five million, five hundred forty-five thousand, four hundred forty-four".