52169980 has 36 divisors (see below), whose sum is σ = 114550632. Its totient is φ = 19956640.

The previous prime is 52169977. The next prime is 52169989. The reversal of 52169980 is 8996125.

52169980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52169989) 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 11 ways as a sum of consecutive naturals, for example, 8115 + ... + 13045.

It is an arithmetic number, because the mean of its divisors is an integer number (3181962).

Almost surely, 2^52169980 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 52169980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57275316).

52169980 is an abundant number, since it is smaller than the sum of its proper divisors (62380652).

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

52169980 is a wasteful number, since it uses less digits than its factorization.

52169980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986 (or 4961 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 52169980 is about 7222.8789274084. The cubic root of 52169980 is about 373.6573734960.

The spelling of 52169980 in words is "fifty-two million, one hundred sixty-nine thousand, nine hundred eighty".