55127945 has 8 divisors (see below), whose sum is σ = 67561344. Its totient is φ = 43163824.

The previous prime is 55127939. The next prime is 55127959. The reversal of 55127945 is 54972155.

It is a happy number.

55127945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55127945 - 2⁸ = 55127689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55127899 and 55127908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117059 + ... + 117528.

It is an arithmetic number, because the mean of its divisors is an integer number (8445168).

Almost surely, 2^55127945 is an apocalyptic number.

It is an amenable number.

55127945 is a deficient number, since it is larger than the sum of its proper divisors (12433399).

55127945 is a wasteful number, since it uses less digits than its factorization.

55127945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234639.

The product of its digits is 63000, while the sum is 38.

The square root of 55127945 is about 7424.8195264262. The cubic root of 55127945 is about 380.5899078593.

The spelling of 55127945 in words is "fifty-five million, one hundred twenty-seven thousand, nine hundred forty-five".