55922944 has 72 divisors (see below), whose sum is σ = 139220928. Its totient is φ = 21780480.

The previous prime is 55922941. The next prime is 55922953. The reversal of 55922944 is 44922955.

It is a junction number, because it is equal to n+sod(n) for n = 55922897 and 55922906.

It is not an unprimeable number, because it can be changed into a prime (55922941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18294 + ... + 21130.

It is an arithmetic number, because the mean of its divisors is an integer number (1933624).

Almost surely, 2^55922944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55922944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69610464).

55922944 is an abundant number, since it is smaller than the sum of its proper divisors (83297984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55922944 is a wasteful number, since it uses less digits than its factorization.

55922944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871 (or 2857 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 55922944 is about 7478.1644806730. The cubic root of 55922944 is about 382.4106764524.

The spelling of 55922944 in words is "fifty-five million, nine hundred twenty-two thousand, nine hundred forty-four".