52716140 has 24 divisors (see below), whose sum is σ = 113061312. Its totient is φ = 20637440.

The previous prime is 52716137. The next prime is 52716179. The reversal of 52716140 is 4161725.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27101 + ... + 28980.

It is an arithmetic number, because the mean of its divisors is an integer number (4710888).

Almost surely, 2^52716140 is an apocalyptic number.

It is an amenable number.

52716140 is an abundant number, since it is smaller than the sum of its proper divisors (60345172).

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

52716140 is a wasteful number, since it uses less digits than its factorization.

52716140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56137 (or 56135 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 52716140 is about 7260.5881304478. The cubic root of 52716140 is about 374.9567713132.

Adding to 52716140 its reverse (4161725), we get a palindrome (56877865).

It can be divided in two parts, 5271 and 6140, that added together give a palindrome (11411).

The spelling of 52716140 in words is "fifty-two million, seven hundred sixteen thousand, one hundred forty".