55444344 has 32 divisors (see below), whose sum is σ = 146765520. Its totient is φ = 17394176.

The previous prime is 55444343. The next prime is 55444369. The reversal of 55444344 is 44344455.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55444343) 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, 67539 + ... + 68354.

Almost surely, 2^55444344 is an apocalyptic number.

It is an amenable number.

55444344 is an abundant number, since it is smaller than the sum of its proper divisors (91321176).

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

55444344 is a wasteful number, since it uses less digits than its factorization.

55444344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135919 (or 135915 counting only the distinct ones).

The product of its digits is 76800, while the sum is 33.

The square root of 55444344 is about 7446.0958897935. The cubic root of 55444344 is about 381.3166331980.

Adding to 55444344 its reverse (44344455), we get a palindrome (99788799).

The spelling of 55444344 in words is "fifty-five million, four hundred forty-four thousand, three hundred forty-four".