52109280 has 72 divisors (see below), whose sum is σ = 177827832. Its totient is φ = 13895424.

The previous prime is 52109257. The next prime is 52109287. The reversal of 52109280 is 8290125.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52109287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16654 + ... + 19533.

It is an arithmetic number, because the mean of its divisors is an integer number (2469831).

Almost surely, 2^52109280 is an apocalyptic number.

It is an amenable number.

52109280 is an abundant number, since it is smaller than the sum of its proper divisors (125718552).

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

52109280 is a wasteful number, since it uses less digits than its factorization.

52109280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36208 (or 36197 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 52109280 is about 7218.6757788392. The cubic root of 52109280 is about 373.5123999260.

The spelling of 52109280 in words is "fifty-two million, one hundred nine thousand, two hundred eighty".