52178168 has 64 divisors (see below), whose sum is σ = 123586560. Its totient is φ = 20123136.

The previous prime is 52178081. The next prime is 52178183. The reversal of 52178168 is 86187125.

52178168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52178168² = 5445122431672448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 20705 + ... + 23087.

It is an arithmetic number, because the mean of its divisors is an integer number (1931040).

Almost surely, 2^52178168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52178168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61793280).

52178168 is an abundant number, since it is smaller than the sum of its proper divisors (71408392).

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

52178168 is a wasteful number, since it uses less digits than its factorization.

52178168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2432 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 52178168 is about 7223.4457151695. The cubic root of 52178168 is about 373.6769207945.

The spelling of 52178168 in words is "fifty-two million, one hundred seventy-eight thousand, one hundred sixty-eight".