52022840 has 16 divisors (see below), whose sum is σ = 117051480. Its totient is φ = 20809120.

The previous prime is 52022797. The next prime is 52022857. The reversal of 52022840 is 4822025.

52022840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

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, 650246 + ... + 650325.

Almost surely, 2^52022840 is an apocalyptic number.

It is an amenable number.

52022840 is an abundant number, since it is smaller than the sum of its proper divisors (65028640).

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

52022840 is a wasteful number, since it uses less digits than its factorization.

52022840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300582 (or 1300578 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 52022840 is about 7212.6860461273. The cubic root of 52022840 is about 373.3057554742.

Adding to 52022840 its reverse (4822025), we get a palindrome (56844865).

The spelling of 52022840 in words is "fifty-two million, twenty-two thousand, eight hundred forty".