55847642 has 16 divisors (see below), whose sum is σ = 84706560. Its totient is φ = 27614208.

The previous prime is 55847641. The next prime is 55847663. The reversal of 55847642 is 24674855.

55847642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55847642.

It is not an unprimeable number, because it can be changed into a prime (55847641) by changing a digit.

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, 91703 + ... + 92309.

It is an arithmetic number, because the mean of its divisors is an integer number (5294160).

Almost surely, 2^55847642 is an apocalyptic number.

55847642 is a deficient number, since it is larger than the sum of its proper divisors (28858918).

55847642 is a wasteful number, since it uses less digits than its factorization.

55847642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045.

The product of its digits is 268800, while the sum is 41.

The square root of 55847642 is about 7473.1279930160. The cubic root of 55847642 is about 382.2389566930.

The spelling of 55847642 in words is "fifty-five million, eight hundred forty-seven thousand, six hundred forty-two".