52802120 has 32 divisors (see below), whose sum is σ = 135777600. Its totient is φ = 18103488.

The previous prime is 52802111. The next prime is 52802131. The reversal of 52802120 is 2120825.

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 = 52802092 and 52802101.

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 7 ways as a sum of consecutive naturals, for example, 94010 + ... + 94569.

It is an arithmetic number, because the mean of its divisors is an integer number (4243050).

Almost surely, 2^52802120 is an apocalyptic number.

It is an amenable number.

52802120 is an abundant number, since it is smaller than the sum of its proper divisors (82975480).

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

52802120 is a wasteful number, since it uses less digits than its factorization.

52802120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188597 (or 188593 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 52802120 is about 7266.5067260686. The cubic root of 52802120 is about 375.1605120266.

Adding to 52802120 its reverse (2120825), we get a palindrome (54922945).

The spelling of 52802120 in words is "fifty-two million, eight hundred two thousand, one hundred twenty".