51471705 has 8 divisors (see below), whose sum is σ = 82354752. Its totient is φ = 27451568.

The previous prime is 51471701. The next prime is 51471709. The reversal of 51471705 is 50717415.

It is an interprime number because it is at equal distance from previous prime (51471701) and next prime (51471709).

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 51471705 - 2² = 51471701 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51471701) 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, 1715709 + ... + 1715738.

It is an arithmetic number, because the mean of its divisors is an integer number (10294344).

Almost surely, 2^51471705 is an apocalyptic number.

It is an amenable number.

51471705 is a deficient number, since it is larger than the sum of its proper divisors (30883047).

51471705 is a wasteful number, since it uses less digits than its factorization.

51471705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431455.

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

The square root of 51471705 is about 7174.3783702841. The cubic root of 51471705 is about 371.9827934578.

The spelling of 51471705 in words is "fifty-one million, four hundred seventy-one thousand, seven hundred five".