53022620 has 24 divisors (see below), whose sum is σ = 127254624. Its totient is φ = 18179136.

The previous prime is 53022611. The next prime is 53022623. The reversal of 53022620 is 2622035.

It is a happy number.

53022620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53022620² = 5622796463328800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 53022592 and 53022601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53022623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 189227 + ... + 189506.

It is an arithmetic number, because the mean of its divisors is an integer number (5302276).

Almost surely, 2^53022620 is an apocalyptic number.

It is an amenable number.

53022620 is an abundant number, since it is smaller than the sum of its proper divisors (74232004).

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

53022620 is a wasteful number, since it uses less digits than its factorization.

53022620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378749 (or 378747 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 53022620 is about 7281.6632715335. The cubic root of 53022620 is about 375.6820063019.

Adding to 53022620 its reverse (2622035), we get a palindrome (55644655).

The spelling of 53022620 in words is "fifty-three million, twenty-two thousand, six hundred twenty".