52089408 has 84 divisors (see below), whose sum is σ = 170647360. Its totient is φ = 14881536.

The previous prime is 52089403. The next prime is 52089409. The reversal of 52089408 is 80498025.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52089403) 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, 2428 + ... + 10491.

Almost surely, 2^52089408 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 52089408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85323680).

52089408 is an abundant number, since it is smaller than the sum of its proper divisors (118557952).

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

52089408 is a wasteful number, since it uses less digits than its factorization.

52089408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12944 (or 12931 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 52089408 is about 7217.2992178515. The cubic root of 52089408 is about 373.4649139367.

The spelling of 52089408 in words is "fifty-two million, eighty-nine thousand, four hundred eight".