52667231 has 4 divisors (see below), whose sum is σ = 52682592. Its totient is φ = 52651872.

The previous prime is 52667177. The next prime is 52667249. The reversal of 52667231 is 13276625.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52667231 is a prime.

It is a super-2 number, since 2×52667231² = 5547674442414722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52667431) 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, 71 + ... + 10263.

It is an arithmetic number, because the mean of its divisors is an integer number (13170648).

Almost surely, 2^52667231 is an apocalyptic number.

52667231 is a deficient number, since it is larger than the sum of its proper divisors (15361).

52667231 is a wasteful number, since it uses less digits than its factorization.

52667231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15360.

The product of its digits is 15120, while the sum is 32.

The square root of 52667231 is about 7257.2192332876. The cubic root of 52667231 is about 374.8407762556.

The spelling of 52667231 in words is "fifty-two million, six hundred sixty-seven thousand, two hundred thirty-one".