53322020 has 12 divisors (see below), whose sum is σ = 111976284. Its totient is φ = 21328800.

The previous prime is 53322019. The next prime is 53322023. The reversal of 53322020 is 2022335.

It can be written as a sum of positive squares in 2 ways, for example, as 9972964 + 43349056 = 3158^2 + 6584^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53322020.

It is not an unprimeable number, because it can be changed into a prime (53322023) by changing a digit.

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, 1333031 + ... + 1333070.

It is an arithmetic number, because the mean of its divisors is an integer number (9331357).

Almost surely, 2^53322020 is an apocalyptic number.

It is an amenable number.

53322020 is an abundant number, since it is smaller than the sum of its proper divisors (58654264).

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

53322020 is a wasteful number, since it uses less digits than its factorization.

53322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666110 (or 2666108 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 53322020 is about 7302.1928213380. The cubic root of 53322020 is about 376.3877940346.

Adding to 53322020 its reverse (2022335), we get a palindrome (55344355).

The spelling of 53322020 in words is "fifty-three million, three hundred twenty-two thousand, twenty".