55684222 has 8 divisors (see below), whose sum is σ = 91119672. Its totient is φ = 25311000.

The previous prime is 55684207. The next prime is 55684243. The reversal of 55684222 is 22248655.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265529 + ... + 1265572.

It is an arithmetic number, because the mean of its divisors is an integer number (11389959).

Almost surely, 2^55684222 is an apocalyptic number.

55684222 is a deficient number, since it is larger than the sum of its proper divisors (35435450).

55684222 is a wasteful number, since it uses less digits than its factorization.

55684222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531114.

The product of its digits is 38400, while the sum is 34.

The square root of 55684222 is about 7462.1861408035. The cubic root of 55684222 is about 381.8657596899.

The spelling of 55684222 in words is "fifty-five million, six hundred eighty-four thousand, two hundred twenty-two".