55047148 has 24 divisors (see below), whose sum is σ = 104513472. Its totient is φ = 25217664.

The previous prime is 55047137. The next prime is 55047149. The reversal of 55047148 is 84174055.

It is not an unprimeable number, because it can be changed into a prime (55047149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3261 + ... + 10987.

It is an arithmetic number, because the mean of its divisors is an integer number (4354728).

Almost surely, 2^55047148 is an apocalyptic number.

It is an amenable number.

55047148 is a deficient number, since it is larger than the sum of its proper divisors (49466324).

55047148 is a wasteful number, since it uses less digits than its factorization.

55047148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7881 (or 7879 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 55047148 is about 7419.3765236710. The cubic root of 55047148 is about 380.4038826776.

The spelling of 55047148 in words is "fifty-five million, forty-seven thousand, one hundred forty-eight".