54555544 has 8 divisors (see below), whose sum is σ = 102291660. Its totient is φ = 27277768.

The previous prime is 54555511. The next prime is 54555551. The reversal of 54555544 is 44555545.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×54555544² = 5952614762271872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409714 + ... + 3409729.

Almost surely, 2^54555544 is an apocalyptic number.

It is an amenable number.

54555544 is a deficient number, since it is larger than the sum of its proper divisors (47736116).

54555544 is a wasteful number, since it uses less digits than its factorization.

54555544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819449 (or 6819445 counting only the distinct ones).

The product of its digits is 200000, while the sum is 37.

The square root of 54555544 is about 7386.1724864777. The cubic root of 54555544 is about 379.2680833143.

Subtracting from 54555544 its reverse (44555545), we obtain a palindrome (9999999).

The spelling of 54555544 in words is "fifty-four million, five hundred fifty-five thousand, five hundred forty-four".