55321922 has 8 divisors (see below), whose sum is σ = 84151872. Its totient is φ = 27271300.

The previous prime is 55321909. The next prime is 55321991. The reversal of 55321922 is 22912355.

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

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, 194654 + ... + 194937.

It is an arithmetic number, because the mean of its divisors is an integer number (10518984).

Almost surely, 2^55321922 is an apocalyptic number.

55321922 is a deficient number, since it is larger than the sum of its proper divisors (28829950).

55321922 is a wasteful number, since it uses less digits than its factorization.

55321922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389664.

The product of its digits is 5400, while the sum is 29.

The square root of 55321922 is about 7437.8707974796. The cubic root of 55321922 is about 381.0357753048.

The spelling of 55321922 in words is "fifty-five million, three hundred twenty-one thousand, nine hundred twenty-two".