52413340 has 72 divisors (see below), whose sum is σ = 129850560. Its totient is φ = 17716608.

The previous prime is 52413313. The next prime is 52413367. The reversal of 52413340 is 4331425.

It is an interprime number because it is at equal distance from previous prime (52413313) and next prime (52413367).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77082 + ... + 77758.

It is an arithmetic number, because the mean of its divisors is an integer number (1803480).

Almost surely, 2^52413340 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 52413340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64925280).

52413340 is an abundant number, since it is smaller than the sum of its proper divisors (77437220).

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

52413340 is a wasteful number, since it uses less digits than its factorization.

52413340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 52413340 is about 7239.7057951273. The cubic root of 52413340 is about 374.2374786958.

Adding to 52413340 its reverse (4331425), we get a palindrome (56744765).

The spelling of 52413340 in words is "fifty-two million, four hundred thirteen thousand, three hundred forty".