53002512 has 50 divisors (see below), whose sum is σ = 153408398. Its totient is φ = 17667072.

The previous prime is 53002493. The next prime is 53002513. The reversal of 53002512 is 21520035.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51322896 + 1679616 = 7164^2 + 1296^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (53002513) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19153 + ... + 21744.

Almost surely, 2^53002512 is an apocalyptic number.

It is an amenable number.

53002512 is an abundant number, since it is smaller than the sum of its proper divisors (100405886).

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

53002512 is a wasteful number, since it uses less digits than its factorization.

53002512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40917 (or 40902 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 53002512 is about 7280.2824121046. The cubic root of 53002512 is about 375.6345097874.

Adding to 53002512 its reverse (21520035), we get a palindrome (74522547).

The spelling of 53002512 in words is "fifty-three million, two thousand, five hundred twelve".