55389164 has 12 divisors (see below), whose sum is σ = 97066704. Its totient is φ = 27655824.

The previous prime is 55389163. The next prime is 55389167. The reversal of 55389164 is 46198355.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55389163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6347 + ... + 12290.

It is an arithmetic number, because the mean of its divisors is an integer number (8088892).

Almost surely, 2^55389164 is an apocalyptic number.

It is an amenable number.

55389164 is a deficient number, since it is larger than the sum of its proper divisors (41677540).

55389164 is a wasteful number, since it uses less digits than its factorization.

55389164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19384 (or 19382 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 55389164 is about 7442.3896699918. The cubic root of 55389164 is about 381.1900916706.

The spelling of 55389164 in words is "fifty-five million, three hundred eighty-nine thousand, one hundred sixty-four".