55642014 has 24 divisors (see below), whose sum is σ = 125800272. Its totient is φ = 17740800.

The previous prime is 55642007. The next prime is 55642019. The reversal of 55642014 is 41024655.

55642014 is a `hidden beast` number, since 5 + 5 + 642 + 0 + 14 = 666.

55642014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55642019) 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 11 ways as a sum of consecutive naturals, for example, 66787 + ... + 67614.

It is an arithmetic number, because the mean of its divisors is an integer number (5241678).

Almost surely, 2^55642014 is an apocalyptic number.

55642014 is an abundant number, since it is smaller than the sum of its proper divisors (70158258).

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

55642014 is a wasteful number, since it uses less digits than its factorization.

55642014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134432 (or 134429 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 55642014 is about 7459.3574790326. The cubic root of 55642014 is about 381.7692520169.

Adding to 55642014 its reverse (41024655), we get a palindrome (96666669).

The spelling of 55642014 in words is "fifty-five million, six hundred forty-two thousand, fourteen".