55148164 has 6 divisors (see below), whose sum is σ = 96509294. Its totient is φ = 27574080.

The previous prime is 55148161. The next prime is 55148189. The reversal of 55148164 is 46184155.

55148164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 52562500 + 2585664 = 7250^2 + 1608^2 .

It is not an unprimeable number, because it can be changed into a prime (55148161) 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, 6893517 + ... + 6893524.

Almost surely, 2^55148164 is an apocalyptic number.

It is an amenable number.

55148164 is a deficient number, since it is larger than the sum of its proper divisors (41361130).

55148164 is a wasteful number, since it uses less digits than its factorization.

55148164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13787045 (or 13787043 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 55148164 is about 7426.1809835204. The cubic root of 55148164 is about 380.6364311895.

The spelling of 55148164 in words is "fifty-five million, one hundred forty-eight thousand, one hundred sixty-four".