55879838 has 16 divisors (see below), whose sum is σ = 96285024. Its totient is φ = 23825760.

The previous prime is 55879801. The next prime is 55879849. The reversal of 55879838 is 83897855.

55879838 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 55879838.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 7373 + ... + 12888.

It is an arithmetic number, because the mean of its divisors is an integer number (6017814).

Almost surely, 2^55879838 is an apocalyptic number.

55879838 is a deficient number, since it is larger than the sum of its proper divisors (40405186).

55879838 is a wasteful number, since it uses less digits than its factorization.

55879838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20467.

The product of its digits is 2419200, while the sum is 53.

The square root of 55879838 is about 7475.2818007083. The cubic root of 55879838 is about 382.3123957907.

The spelling of 55879838 in words is "fifty-five million, eight hundred seventy-nine thousand, eight hundred thirty-eight".