55133834 has 24 divisors (see below), whose sum is σ = 95957280. Its totient is φ = 23273568.

The previous prime is 55133821. The next prime is 55133849. The reversal of 55133834 is 43833155.

It is a self number, because there is not a number n which added to its sum of digits gives 55133834.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74237 + ... + 74975.

It is an arithmetic number, because the mean of its divisors is an integer number (3998220).

Almost surely, 2^55133834 is an apocalyptic number.

55133834 is a deficient number, since it is larger than the sum of its proper divisors (40823446).

55133834 is an equidigital number, since it uses as much as digits as its factorization.

55133834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 821 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 55133834 is about 7425.2160911316. The cubic root of 55133834 is about 380.6034594508.

Adding to 55133834 its reverse (43833155), we get a palindrome (98966989).

The spelling of 55133834 in words is "fifty-five million, one hundred thirty-three thousand, eight hundred thirty-four".