55012164 has 12 divisors (see below), whose sum is σ = 128361744. Its totient is φ = 18337384.

The previous prime is 55012127. The next prime is 55012171. The reversal of 55012164 is 46121055.

55012164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2292162 + ... + 2292185.

It is an arithmetic number, because the mean of its divisors is an integer number (10696812).

Almost surely, 2^55012164 is an apocalyptic number.

It is an amenable number.

55012164 is an abundant number, since it is smaller than the sum of its proper divisors (73349580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55012164 is a wasteful number, since it uses less digits than its factorization.

55012164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584354 (or 4584352 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 55012164 is about 7417.0185384695. The cubic root of 55012164 is about 380.3232798361.

The spelling of 55012164 in words is "fifty-five million, twelve thousand, one hundred sixty-four".