54445550 has 24 divisors (see below), whose sum is σ = 102934632. Its totient is φ = 21420000.

The previous prime is 54445541. The next prime is 54445561. The reversal of 54445550 is 5554445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5876 + ... + 11975.

It is an arithmetic number, because the mean of its divisors is an integer number (4288943).

Almost surely, 2^54445550 is an apocalyptic number.

54445550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54445550 is a deficient number, since it is larger than the sum of its proper divisors (48489082).

54445550 is a wasteful number, since it uses less digits than its factorization.

54445550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17924 (or 17919 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 54445550 is about 7378.7227892095. The cubic root of 54445550 is about 379.0130204404.

Adding to 54445550 its reverse (5554445), we get a palindrome (59999995).

The spelling of 54445550 in words is "fifty-four million, four hundred forty-five thousand, five hundred fifty".