52329240 has 160 divisors (see below), whose sum is σ = 181906560. Its totient is φ = 13478400.

The previous prime is 52329227. The next prime is 52329257. The reversal of 52329240 is 4292325.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 100180 + ... + 100700.

It is an arithmetic number, because the mean of its divisors is an integer number (1136916).

Almost surely, 2^52329240 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 52329240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90953280).

52329240 is an abundant number, since it is smaller than the sum of its proper divisors (129577320).

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

52329240 is a wasteful number, since it uses less digits than its factorization.

52329240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 52329240 is about 7233.8952162718. The cubic root of 52329240 is about 374.0372102110.

The spelling of 52329240 in words is "fifty-two million, three hundred twenty-nine thousand, two hundred forty".