52689384 has 96 divisors (see below), whose sum is σ = 158034240. Its totient is φ = 15724800.

The previous prime is 52689359. The next prime is 52689391. The reversal of 52689384 is 48398625.

52689384 is a `hidden beast` number, since 5 + 268 + 9 + 384 = 666.

Its product of digits (414720) is a multiple of the sum of its prime divisors (1024).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55764 + ... + 56700.

It is an arithmetic number, because the mean of its divisors is an integer number (1646190).

Almost surely, 2^52689384 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 52689384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79017120).

52689384 is an abundant number, since it is smaller than the sum of its proper divisors (105344856).

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

52689384 is a wasteful number, since it uses less digits than its factorization.

52689384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1024 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 52689384 is about 7258.7453461325. The cubic root of 52689384 is about 374.8933243237.

The spelling of 52689384 in words is "fifty-two million, six hundred eighty-nine thousand, three hundred eighty-four".