54545444 has 6 divisors (see below), whose sum is σ = 95454534. Its totient is φ = 27272720.

The previous prime is 54545419. The next prime is 54545459. The reversal of 54545444 is 44454545.

It can be written as a sum of positive squares in only one way, i.e., 51696100 + 2849344 = 7190^2 + 1688^2 .

It is a super-2 number, since 2×54545444² = 5950410922314272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6818177 + ... + 6818184.

It is an arithmetic number, because the mean of its divisors is an integer number (15909089).

Almost surely, 2^54545444 is an apocalyptic number.

It is an amenable number.

54545444 is a deficient number, since it is larger than the sum of its proper divisors (40909090).

54545444 is a wasteful number, since it uses less digits than its factorization.

54545444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13636365 (or 13636363 counting only the distinct ones).

The product of its digits is 128000, while the sum is 35.

The square root of 54545444 is about 7385.4887448293. The cubic root of 54545444 is about 379.2446769302.

Adding to 54545444 its reverse (44454545), we get a palindrome (98999989).

The spelling of 54545444 in words is "fifty-four million, five hundred forty-five thousand, four hundred forty-four".