51967271 has 4 divisors (see below), whose sum is σ = 52028352. Its totient is φ = 51906192.

The previous prime is 51967247. The next prime is 51967273. The reversal of 51967271 is 17276915.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17276915 = 5 ⋅3455383.

It is a cyclic number.

It is not a de Polignac number, because 51967271 - 2¹⁴ = 51950887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51967273) 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, 29246 + ... + 30971.

It is an arithmetic number, because the mean of its divisors is an integer number (13007088).

Almost surely, 2^51967271 is an apocalyptic number.

51967271 is a deficient number, since it is larger than the sum of its proper divisors (61081).

51967271 is an equidigital number, since it uses as much as digits as its factorization.

51967271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61080.

The product of its digits is 26460, while the sum is 38.

The square root of 51967271 is about 7208.8328458912. The cubic root of 51967271 is about 373.1727906841.

The spelling of 51967271 in words is "fifty-one million, nine hundred sixty-seven thousand, two hundred seventy-one".