52109872 has 20 divisors (see below), whose sum is σ = 101222440. Its totient is φ = 25987968.

The previous prime is 52109867. The next prime is 52109917. The reversal of 52109872 is 27890125.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563 + ... + 10525.

It is an arithmetic number, because the mean of its divisors is an integer number (5061122).

Almost surely, 2^52109872 is an apocalyptic number.

It is an amenable number.

52109872 is a deficient number, since it is larger than the sum of its proper divisors (49112568).

52109872 is a wasteful number, since it uses less digits than its factorization.

52109872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380 (or 8374 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 52109872 is about 7218.7167834734. The cubic root of 52109872 is about 373.5138143797.

Adding to 52109872 its reverse (27890125), we get a palindrome (79999997).

The spelling of 52109872 in words is "fifty-two million, one hundred nine thousand, eight hundred seventy-two".