52861396 has 18 divisors (see below), whose sum is σ = 107611098. Its totient is φ = 22654800.

The previous prime is 52861387. The next prime is 52861399. The reversal of 52861396 is 69316825.

52861396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 31516996 + 21344400 = 5614^2 + 4620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52861399) 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 5 ways as a sum of consecutive naturals, for example, 134655 + ... + 135046.

Almost surely, 2^52861396 is an apocalyptic number.

It is an amenable number.

52861396 is an abundant number, since it is smaller than the sum of its proper divisors (54749702).

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

52861396 is a wasteful number, since it uses less digits than its factorization.

52861396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269719 (or 269710 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 52861396 is about 7270.5842956395. The cubic root of 52861396 is about 375.3008453957.

The spelling of 52861396 in words is "fifty-two million, eight hundred sixty-one thousand, three hundred ninety-six".