52420160 has 56 divisors (see below), whose sum is σ = 134438136. Its totient is φ = 19353600.

The previous prime is 52420153. The next prime is 52420169. The reversal of 52420160 is 6102425.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 118336 + 52301824 = 344^2 + 7232^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (52420169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141 + ... + 10460.

It is an arithmetic number, because the mean of its divisors is an integer number (2400681).

Almost surely, 2^52420160 is an apocalyptic number.

It is an amenable number.

52420160 is an abundant number, since it is smaller than the sum of its proper divisors (82017976).

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

52420160 is a wasteful number, since it uses less digits than its factorization.

52420160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631 (or 12621 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 52420160 is about 7240.1767934216. The cubic root of 52420160 is about 374.2537098621.

Adding to 52420160 its reverse (6102425), we get a palindrome (58522585).

The spelling of 52420160 in words is "fifty-two million, four hundred twenty thousand, one hundred sixty".