52511791 has 4 divisors (see below), whose sum is σ = 52528392. Its totient is φ = 52495192.

The previous prime is 52511777. The next prime is 52511803. The reversal of 52511791 is 19711525.

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 52511791 - 2⁹ = 52511279 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52511741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921 + ... + 10426.

It is an arithmetic number, because the mean of its divisors is an integer number (13132098).

Almost surely, 2^52511791 is an apocalyptic number.

52511791 is a deficient number, since it is larger than the sum of its proper divisors (16601).

52511791 is a wasteful number, since it uses less digits than its factorization.

52511791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600.

The product of its digits is 3150, while the sum is 31.

The square root of 52511791 is about 7246.5019837160. The cubic root of 52511791 is about 374.4716494195.

The spelling of 52511791 in words is "fifty-two million, five hundred eleven thousand, seven hundred ninety-one".