51527271 has 8 divisors (see below), whose sum is σ = 69383664. Its totient is φ = 34011200.

The previous prime is 51527257. The next prime is 51527279. The reversal of 51527271 is 17272515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51527271 - 2⁷ = 51527143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51527279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84726 + ... + 85331.

It is an arithmetic number, because the mean of its divisors is an integer number (8672958).

Almost surely, 2^51527271 is an apocalyptic number.

51527271 is a deficient number, since it is larger than the sum of its proper divisors (17856393).

51527271 is a wasteful number, since it uses less digits than its factorization.

51527271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170161.

The product of its digits is 4900, while the sum is 30.

The square root of 51527271 is about 7178.2498563368. The cubic root of 51527271 is about 372.1166026542.

Adding to 51527271 its reverse (17272515), we get a palindrome (68799786).

The spelling of 51527271 in words is "fifty-one million, five hundred twenty-seven thousand, two hundred seventy-one".