53103652 has 18 divisors (see below), whose sum is σ = 108104262. Its totient is φ = 22758624.

The previous prime is 53103623. The next prime is 53103671. The reversal of 53103652 is 25630135.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40755456 + 12348196 = 6384^2 + 3514^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135273 + ... + 135664.

Almost surely, 2^53103652 is an apocalyptic number.

It is an amenable number.

53103652 is an abundant number, since it is smaller than the sum of its proper divisors (55000610).

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

53103652 is a wasteful number, since it uses less digits than its factorization.

53103652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270955 (or 270946 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 53103652 is about 7287.2252606874. The cubic root of 53103652 is about 375.8732879955.

Adding to 53103652 its reverse (25630135), we get a palindrome (78733787).

The spelling of 53103652 in words is "fifty-three million, one hundred three thousand, six hundred fifty-two".