52301340 has 288 divisors, whose sum is σ = 203513856. Its totient is φ = 10575360.

The previous prime is 52301329. The next prime is 52301341. The reversal of 52301340 is 4310325.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52301341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 507729 + ... + 507831.

Almost surely, 2^52301340 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 52301340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101756928).

52301340 is an abundant number, since it is smaller than the sum of its proper divisors (151212516).

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

52301340 is a wasteful number, since it uses less digits than its factorization.

52301340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 52301340 is about 7231.9665375332. The cubic root of 52301340 is about 373.9707241614.

Adding to 52301340 its reverse (4310325), we get a palindrome (56611665).

The spelling of 52301340 in words is "fifty-two million, three hundred one thousand, three hundred forty".