52267191 has 4 divisors (see below), whose sum is σ = 69689592. Its totient is φ = 34844792.

The previous prime is 52267181. The next prime is 52267211. The reversal of 52267191 is 19176225.

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 52267191 - 2¹⁹ = 51742903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52267121) 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, 8711196 + ... + 8711201.

It is an arithmetic number, because the mean of its divisors is an integer number (17422398).

Almost surely, 2^52267191 is an apocalyptic number.

52267191 is a deficient number, since it is larger than the sum of its proper divisors (17422401).

52267191 is a wasteful number, since it uses less digits than its factorization.

52267191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17422400.

The product of its digits is 7560, while the sum is 33.

The square root of 52267191 is about 7229.6051759415. The cubic root of 52267191 is about 373.8893144771.

The spelling of 52267191 in words is "fifty-two million, two hundred sixty-seven thousand, one hundred ninety-one".