53162320 has 20 divisors (see below), whose sum is σ = 123602580. Its totient is φ = 21264896.

The previous prime is 53162309. The next prime is 53162359. The reversal of 53162320 is 2326135.

It can be written as a sum of positive squares in 2 ways, for example, as 12559936 + 40602384 = 3544^2 + 6372^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 53162291 and 53162300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332185 + ... + 332344.

It is an arithmetic number, because the mean of its divisors is an integer number (6180129).

Almost surely, 2^53162320 is an apocalyptic number.

It is an amenable number.

53162320 is an abundant number, since it is smaller than the sum of its proper divisors (70440260).

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

53162320 is a wasteful number, since it uses less digits than its factorization.

53162320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664542 (or 664536 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 53162320 is about 7291.2495499743. The cubic root of 53162320 is about 376.0116564969.

Adding to 53162320 its reverse (2326135), we get a palindrome (55488455).

The spelling of 53162320 in words is "fifty-three million, one hundred sixty-two thousand, three hundred twenty".