55211056 has 20 divisors (see below), whose sum is σ = 107694000. Its totient is φ = 27419072.

The previous prime is 55211029. The next prime is 55211069. The reversal of 55211056 is 65011255.

It is a self number, because there is not a number n which added to its sum of digits gives 55211056.

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 3 ways as a sum of consecutive naturals, for example, 9196 + ... + 13963.

It is an arithmetic number, because the mean of its divisors is an integer number (5384700).

Almost surely, 2^55211056 is an apocalyptic number.

It is an amenable number.

55211056 is a deficient number, since it is larger than the sum of its proper divisors (52482944).

55211056 is a wasteful number, since it uses less digits than its factorization.

55211056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23316 (or 23310 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 55211056 is about 7430.4142549390. The cubic root of 55211056 is about 380.7810711938.

The spelling of 55211056 in words is "fifty-five million, two hundred eleven thousand, fifty-six".