55288744 has 16 divisors (see below), whose sum is σ = 118476000. Its totient is φ = 23695152.

The previous prime is 55288741. The next prime is 55288747. The reversal of 55288744 is 44788255.

It is a happy number.

55288744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55288741) and next prime (55288747).

It is a self number, because there is not a number n which added to its sum of digits gives 55288744.

It is not an unprimeable number, because it can be changed into a prime (55288741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493594 + ... + 493705.

It is an arithmetic number, because the mean of its divisors is an integer number (7404750).

Almost surely, 2^55288744 is an apocalyptic number.

It is an amenable number.

55288744 is an abundant number, since it is smaller than the sum of its proper divisors (63187256).

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

55288744 is a wasteful number, since it uses less digits than its factorization.

55288744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987312 (or 987308 counting only the distinct ones).

The product of its digits is 358400, while the sum is 43.

The square root of 55288744 is about 7435.6401203931. The cubic root of 55288744 is about 380.9595877069.

The spelling of 55288744 in words is "fifty-five million, two hundred eighty-eight thousand, seven hundred forty-four".