55252164 has 48 divisors (see below), whose sum is σ = 146764800. Its totient is φ = 16014240.

The previous prime is 55252157. The next prime is 55252177. The reversal of 55252164 is 46125255.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6064 + ... + 12135.

It is an arithmetic number, because the mean of its divisors is an integer number (3057600).

Almost surely, 2^55252164 is an apocalyptic number.

It is an amenable number.

55252164 is an abundant number, since it is smaller than the sum of its proper divisors (91512636).

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

55252164 is a wasteful number, since it uses less digits than its factorization.

55252164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18240 (or 18238 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 55252164 is about 7433.1799386265. The cubic root of 55252164 is about 380.8755526625.

The spelling of 55252164 in words is "fifty-five million, two hundred fifty-two thousand, one hundred sixty-four".