52340540 has 24 divisors (see below), whose sum is σ = 125617632. Its totient is φ = 17945280.

The previous prime is 52340537. The next prime is 52340543. The reversal of 52340540 is 4504325.

It is an interprime number because it is at equal distance from previous prime (52340537) and next prime (52340543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52340543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186791 + ... + 187070.

It is an arithmetic number, because the mean of its divisors is an integer number (5234068).

Almost surely, 2^52340540 is an apocalyptic number.

It is an amenable number.

52340540 is an abundant number, since it is smaller than the sum of its proper divisors (73277092).

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

52340540 is a wasteful number, since it uses less digits than its factorization.

52340540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373877 (or 373875 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52340540 is about 7234.6762194310. The cubic root of 52340540 is about 374.0641315287.

Adding to 52340540 its reverse (4504325), we get a palindrome (56844865).

The spelling of 52340540 in words is "fifty-two million, three hundred forty thousand, five hundred forty".