53072502 has 16 divisors (see below), whose sum is σ = 121308672. Its totient is φ = 15163560.

The previous prime is 53072497. The next prime is 53072519. The reversal of 53072502 is 20527035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631774 + ... + 631857.

It is an arithmetic number, because the mean of its divisors is an integer number (7581792).

Almost surely, 2^53072502 is an apocalyptic number.

53072502 is an abundant number, since it is smaller than the sum of its proper divisors (68236170).

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

53072502 is a wasteful number, since it uses less digits than its factorization.

53072502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263643.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 53072502 is about 7285.0876453204. The cubic root of 53072502 is about 375.7997792845.

Adding to 53072502 its reverse (20527035), we get a palindrome (73599537).

The spelling of 53072502 in words is "fifty-three million, seventy-two thousand, five hundred two".