53316020 has 12 divisors (see below), whose sum is σ = 111963684. Its totient is φ = 21326400.

The previous prime is 53316019. The next prime is 53316041. The reversal of 53316020 is 2061335.

53316020 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 2 ways, for example, as 5484964 + 47831056 = 2342^2 + 6916^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2665801 = 53316020 / (5 + 3 + 3 + 1 + 6 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 53315983 and 53316001.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1332881 + ... + 1332920.

It is an arithmetic number, because the mean of its divisors is an integer number (9330307).

Almost surely, 2^53316020 is an apocalyptic number.

It is an amenable number.

53316020 is an abundant number, since it is smaller than the sum of its proper divisors (58647664).

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

53316020 is a wasteful number, since it uses less digits than its factorization.

53316020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665810 (or 2665808 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 53316020 is about 7301.7819742855. The cubic root of 53316020 is about 376.3736759680.

Adding to 53316020 its reverse (2061335), we get a palindrome (55377355).

The spelling of 53316020 in words is "fifty-three million, three hundred sixteen thousand, twenty".