52161560 has 32 divisors (see below), whose sum is σ = 128034000. Its totient is φ = 18967680.

The previous prime is 52161547. The next prime is 52161563. The reversal of 52161560 is 6516125.

52161560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52161563) by changing a digit.

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, 58835 + ... + 59714.

Almost surely, 2^52161560 is an apocalyptic number.

It is an amenable number.

52161560 is an abundant number, since it is smaller than the sum of its proper divisors (75872440).

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

52161560 is a wasteful number, since it uses less digits than its factorization.

52161560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118571 (or 118567 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 52161560 is about 7222.2960338109. The cubic root of 52161560 is about 373.6372702082.

Adding to 52161560 its reverse (6516125), we get a palindrome (58677685).

It can be divided in two parts, 5216 and 1560, that added together give a palindrome (6776).

The spelling of 52161560 in words is "fifty-two million, one hundred sixty-one thousand, five hundred sixty".