51271746 has 8 divisors (see below), whose sum is σ = 102543504. Its totient is φ = 17090580.

The previous prime is 51271733. The next prime is 51271789. The reversal of 51271746 is 64717215.

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

51271746 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4272640 + ... + 4272651.

It is an arithmetic number, because the mean of its divisors is an integer number (12817938).

Almost surely, 2^51271746 is an apocalyptic number.

51271746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51271746 is a wasteful number, since it uses less digits than its factorization.

51271746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8545296.

The product of its digits is 11760, while the sum is 33.

The square root of 51271746 is about 7160.4291770815. The cubic root of 51271746 is about 371.5004712740.

The spelling of 51271746 in words is "fifty-one million, two hundred seventy-one thousand, seven hundred forty-six".