55385079 has 8 divisors (see below), whose sum is σ = 73883760. Its totient is φ = 36904896.

The previous prime is 55385069. The next prime is 55385087. The reversal of 55385079 is 97058355.

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

It is not a de Polignac number, because 55385079 - 2⁴ = 55385063 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 55385079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55385009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5587 + ... + 11915.

It is an arithmetic number, because the mean of its divisors is an integer number (9235470).

Almost surely, 2^55385079 is an apocalyptic number.

55385079 is a deficient number, since it is larger than the sum of its proper divisors (18498681).

55385079 is a wasteful number, since it uses less digits than its factorization.

55385079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 55385079 is about 7442.1152235100. The cubic root of 55385079 is about 381.1807204044.

The spelling of 55385079 in words is "fifty-five million, three hundred eighty-five thousand, seventy-nine".