52163380 has 12 divisors (see below), whose sum is σ = 109543140. Its totient is φ = 20865344.

The previous prime is 52163347. The next prime is 52163387. The reversal of 52163380 is 8336125.

It can be written as a sum of positive squares in 2 ways, for example, as 39589264 + 12574116 = 6292^2 + 3546^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52163387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304065 + ... + 1304104.

It is an arithmetic number, because the mean of its divisors is an integer number (9128595).

Almost surely, 2^52163380 is an apocalyptic number.

It is an amenable number.

52163380 is an abundant number, since it is smaller than the sum of its proper divisors (57379760).

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

52163380 is a wasteful number, since it uses less digits than its factorization.

52163380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608178 (or 2608176 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 52163380 is about 7222.4220314241. The cubic root of 52163380 is about 373.6416157577.

The spelling of 52163380 in words is "fifty-two million, one hundred sixty-three thousand, three hundred eighty".