55587164 has 12 divisors (see below), whose sum is σ = 98610624. Its totient is φ = 27412704.

The previous prime is 55587157. The next prime is 55587167. The reversal of 55587164 is 46178555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55587167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94892 + ... + 95475.

It is an arithmetic number, because the mean of its divisors is an integer number (8217552).

Almost surely, 2^55587164 is an apocalyptic number.

It is an amenable number.

55587164 is a deficient number, since it is larger than the sum of its proper divisors (43023460).

55587164 is a wasteful number, since it uses less digits than its factorization.

55587164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190444 (or 190442 counting only the distinct ones).

The product of its digits is 168000, while the sum is 41.

The square root of 55587164 is about 7455.6799824027. The cubic root of 55587164 is about 381.6437657377.

The spelling of 55587164 in words is "fifty-five million, five hundred eighty-seven thousand, one hundred sixty-four".