55439684 has 12 divisors (see below), whose sum is σ = 98188944. Its totient is φ = 27385704.

The previous prime is 55439651. The next prime is 55439707. The reversal of 55439684 is 48693455.

55439684 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 3 ways as a sum of consecutive naturals, for example, 83162 + ... + 83825.

It is an arithmetic number, because the mean of its divisors is an integer number (8182412).

Almost surely, 2^55439684 is an apocalyptic number.

It is an amenable number.

55439684 is a deficient number, since it is larger than the sum of its proper divisors (42749260).

55439684 is a wasteful number, since it uses less digits than its factorization.

55439684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167074 (or 167072 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 55439684 is about 7445.7829675596. The cubic root of 55439684 is about 381.3059499004.

The spelling of 55439684 in words is "fifty-five million, four hundred thirty-nine thousand, six hundred eighty-four".