53072511 has 4 divisors (see below), whose sum is σ = 70763352. Its totient is φ = 35381672.

The previous prime is 53072497. The next prime is 53072519. The reversal of 53072511 is 11527035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53072511 - 2⁵ = 53072479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53072519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8845416 + ... + 8845421.

It is an arithmetic number, because the mean of its divisors is an integer number (17690838).

Almost surely, 2^53072511 is an apocalyptic number.

53072511 is a deficient number, since it is larger than the sum of its proper divisors (17690841).

53072511 is a wasteful number, since it uses less digits than its factorization.

53072511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17690840.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 53072511 is about 7285.0882630206. The cubic root of 53072511 is about 375.7998005271.

Adding to 53072511 its reverse (11527035), we get a palindrome (64599546).

The spelling of 53072511 in words is "fifty-three million, seventy-two thousand, five hundred eleven".