52178388 has 24 divisors (see below), whose sum is σ = 122078208. Its totient is φ = 17345856.

The previous prime is 52178383. The next prime is 52178407. The reversal of 52178388 is 88387125.

It is a happy number.

52178388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52178381) 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 in 7 ways as a sum of consecutive naturals, for example, 1081 + ... + 10272.

It is an arithmetic number, because the mean of its divisors is an integer number (5086592).

Almost surely, 2^52178388 is an apocalyptic number.

It is an amenable number.

52178388 is an abundant number, since it is smaller than the sum of its proper divisors (69899820).

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

52178388 is a wasteful number, since it uses less digits than its factorization.

52178388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743 (or 11741 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The square root of 52178388 is about 7223.4609433429. The cubic root of 52178388 is about 373.6774459746.

The spelling of 52178388 in words is "fifty-two million, one hundred seventy-eight thousand, three hundred eighty-eight".