52343040 has 144 divisors (see below), whose sum is σ = 171597888. Its totient is φ = 13590528.

The previous prime is 52343033. The next prime is 52343041. The reversal of 52343040 is 4034325.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52342998 and 52343016.

It is not an unprimeable number, because it can be changed into a prime (52343041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164962 + ... + 165278.

It is an arithmetic number, because the mean of its divisors is an integer number (1191652).

Almost surely, 2^52343040 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 52343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85798944).

52343040 is an abundant number, since it is smaller than the sum of its proper divisors (119254848).

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

52343040 is a wasteful number, since it uses less digits than its factorization.

52343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 52343040 is about 7234.8489963509. The cubic root of 52343040 is about 374.0700870489.

Adding to 52343040 its reverse (4034325), we get a palindrome (56377365).

The spelling of 52343040 in words is "fifty-two million, three hundred forty-three thousand, forty".