52160840 has 32 divisors (see below), whose sum is σ = 119119680. Its totient is φ = 20551872.

The previous prime is 52160839. The next prime is 52160863. The reversal of 52160840 is 4806125.

52160840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7052 + ... + 12411.

It is an arithmetic number, because the mean of its divisors is an integer number (3722490).

Almost surely, 2^52160840 is an apocalyptic number.

It is an amenable number.

52160840 is an abundant number, since it is smaller than the sum of its proper divisors (66958840).

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

52160840 is a wasteful number, since it uses less digits than its factorization.

52160840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19541 (or 19537 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 52160840 is about 7222.2461879944. The cubic root of 52160840 is about 373.6355510618.

Adding to 52160840 its reverse (4806125), we get a palindrome (56966965).

The spelling of 52160840 in words is "fifty-two million, one hundred sixty thousand, eight hundred forty".