55397036 has 6 divisors (see below), whose sum is σ = 96944820. Its totient is φ = 27698516.

The previous prime is 55397021. The next prime is 55397039. The reversal of 55397036 is 63079355.

55397036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55397039) 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 as a sum of consecutive naturals, namely, 6924626 + ... + 6924633.

It is an arithmetic number, because the mean of its divisors is an integer number (16157470).

Almost surely, 2^55397036 is an apocalyptic number.

It is an amenable number.

55397036 is a deficient number, since it is larger than the sum of its proper divisors (41547784).

55397036 is a wasteful number, since it uses less digits than its factorization.

55397036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13849263 (or 13849261 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 55397036 is about 7442.9185135940. The cubic root of 55397036 is about 381.2081492716.

The spelling of 55397036 in words is "fifty-five million, three hundred ninety-seven thousand, thirty-six".