51271707 has 8 divisors (see below), whose sum is σ = 68420176. Its totient is φ = 34152192.

The previous prime is 51271699. The next prime is 51271721. The reversal of 51271707 is 70717215.

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

It is not a de Polignac number, because 51271707 - 2³ = 51271699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51271907) 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, 2698 + ... + 10479.

It is an arithmetic number, because the mean of its divisors is an integer number (8552522).

Almost surely, 2^51271707 is an apocalyptic number.

51271707 is a deficient number, since it is larger than the sum of its proper divisors (17148469).

51271707 is a wasteful number, since it uses less digits than its factorization.

51271707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14477.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 51271707 is about 7160.4264537805. The cubic root of 51271707 is about 371.5003770797.

The spelling of 51271707 in words is "fifty-one million, two hundred seventy-one thousand, seven hundred seven".