52813020 has 48 divisors (see below), whose sum is σ = 159253920. Its totient is φ = 12999936.

The previous prime is 52813009. The next prime is 52813093. The reversal of 52813020 is 2031825.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33075 + ... + 34634.

It is an arithmetic number, because the mean of its divisors is an integer number (3317790).

Almost surely, 2^52813020 is an apocalyptic number.

It is an amenable number.

52813020 is an abundant number, since it is smaller than the sum of its proper divisors (106440900).

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

52813020 is a wasteful number, since it uses less digits than its factorization.

52813020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67734 (or 67732 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 52813020 is about 7267.2567038739. The cubic root of 52813020 is about 375.1863251836.

Adding to 52813020 its reverse (2031825), we get a palindrome (54844845).

The spelling of 52813020 in words is "fifty-two million, eight hundred thirteen thousand, twenty".