52020512 has 24 divisors (see below), whose sum is σ = 102869676. Its totient is φ = 25894912.

The previous prime is 52020491. The next prime is 52020539. The reversal of 52020512 is 21502025.

It can be written as a sum of positive squares in 2 ways, for example, as 46840336 + 5180176 = 6844^2 + 2276^2 .

It is a super-2 number, since 2×52020512² = 5412267337484288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968 + ... + 10944.

Almost surely, 2^52020512 is an apocalyptic number.

It is an amenable number.

52020512 is a deficient number, since it is larger than the sum of its proper divisors (50849164).

52020512 is a wasteful number, since it uses less digits than its factorization.

52020512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220 (or 7212 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 52020512 is about 7212.5246620029. The cubic root of 52020512 is about 373.3001869665.

Adding to 52020512 its reverse (21502025), we get a palindrome (73522537).

The spelling of 52020512 in words is "fifty-two million, twenty thousand, five hundred twelve".