55275042 has 8 divisors (see below), whose sum is σ = 110550096. Its totient is φ = 18425012.

The previous prime is 55275013. The next prime is 55275061. The reversal of 55275042 is 24057255.

55275042 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.

55275042 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 4606248 + ... + 4606259.

It is an arithmetic number, because the mean of its divisors is an integer number (13818762).

Almost surely, 2^55275042 is an apocalyptic number.

55275042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55275042 is a wasteful number, since it uses less digits than its factorization.

55275042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212512.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 55275042 is about 7434.7186900380. The cubic root of 55275042 is about 380.9281145163.

The spelling of 55275042 in words is "fifty-five million, two hundred seventy-five thousand, forty-two".