52140324 has 24 divisors (see below), whose sum is σ = 121837408. Its totient is φ = 17354880.

The previous prime is 52140317. The next prime is 52140329. The reversal of 52140324 is 42304125.

It is a super-2 number, since 2×52140324² = 5437226773649952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52140324.

It is not an unprimeable number, because it can be changed into a prime (52140329) 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, 6684 + ... + 12204.

Almost surely, 2^52140324 is an apocalyptic number.

It is an amenable number.

52140324 is an abundant number, since it is smaller than the sum of its proper divisors (69697084).

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

52140324 is a wasteful number, since it uses less digits than its factorization.

52140324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315 (or 6313 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 52140324 is about 7220.8257145565. The cubic root of 52140324 is about 373.5865582913.

Adding to 52140324 its reverse (42304125), we get a palindrome (94444449).

The spelling of 52140324 in words is "fifty-two million, one hundred forty thousand, three hundred twenty-four".