55439296 has 42 divisors (see below), whose sum is σ = 120939560. Its totient is φ = 25196160.

The previous prime is 55439249. The next prime is 55439299. The reversal of 55439296 is 69293455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55439299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4165 + ... + 11323.

Almost surely, 2^55439296 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 55439296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60469780).

55439296 is an abundant number, since it is smaller than the sum of its proper divisors (65500264).

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

55439296 is a wasteful number, since it uses less digits than its factorization.

55439296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193 (or 7172 counting only the distinct ones).

The product of its digits is 291600, while the sum is 43.

The square root of 55439296 is about 7445.7569124972. The cubic root of 55439296 is about 381.3050603627.

The spelling of 55439296 in words is "fifty-five million, four hundred thirty-nine thousand, two hundred ninety-six".