52050240 has 336 divisors, whose sum is σ = 205410816. Its totient is φ = 11980800.

The previous prime is 52050233. The next prime is 52050247. The reversal of 52050240 is 4205025.

It is an interprime number because it is at equal distance from previous prime (52050233) and next prime (52050247).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52050247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 982054 + ... + 982106.

Almost surely, 2^52050240 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 52050240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102705408).

52050240 is an abundant number, since it is smaller than the sum of its proper divisors (153360576).

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

52050240 is a wasteful number, since it uses less digits than its factorization.

52050240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 52050240 is about 7214.5852271631. The cubic root of 52050240 is about 373.3712829903.

Adding to 52050240 its reverse (4205025), we get a palindrome (56255265).

The spelling of 52050240 in words is "fifty-two million, fifty thousand, two hundred forty".