55239592 has 32 divisors (see below), whose sum is σ = 105235200. Its totient is φ = 27181504.

The previous prime is 55239529. The next prime is 55239607. The reversal of 55239592 is 29593255.

55239592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 231009 + ... + 231247.

It is an arithmetic number, because the mean of its divisors is an integer number (3288600).

Almost surely, 2^55239592 is an apocalyptic number.

It is an amenable number.

55239592 is a deficient number, since it is larger than the sum of its proper divisors (49995608).

55239592 is a wasteful number, since it uses less digits than its factorization.

55239592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 581 counting only the distinct ones).

The product of its digits is 121500, while the sum is 40.

The square root of 55239592 is about 7432.3342228401. The cubic root of 55239592 is about 380.8466625079.

The spelling of 55239592 in words is "fifty-five million, two hundred thirty-nine thousand, five hundred ninety-two".