55389935 has 4 divisors (see below), whose sum is σ = 66467928. Its totient is φ = 44311944.

The previous prime is 55389931. The next prime is 55389937. The reversal of 55389935 is 53998355.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55389935 - 2² = 55389931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55389935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55389931) 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 3 ways as a sum of consecutive naturals, for example, 5538989 + ... + 5538998.

It is an arithmetic number, because the mean of its divisors is an integer number (16616982).

Almost surely, 2^55389935 is an apocalyptic number.

55389935 is a deficient number, since it is larger than the sum of its proper divisors (11077993).

55389935 is a wasteful number, since it uses less digits than its factorization.

55389935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11077992.

The product of its digits is 729000, while the sum is 47.

The square root of 55389935 is about 7442.4414676906. The cubic root of 55389935 is about 381.1918603451.

It can be divided in two parts, 55389 and 935, that multiplied together give a palindrome (51788715).

The spelling of 55389935 in words is "fifty-five million, three hundred eighty-nine thousand, nine hundred thirty-five".