51711047 has 8 divisors (see below), whose sum is σ = 52809120. Its totient is φ = 50624640.

The previous prime is 51711041. The next prime is 51711053. The reversal of 51711047 is 74011715.

It is an interprime number because it is at equal distance from previous prime (51711041) and next prime (51711053).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51711047 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 (51711041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6347 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (6601140).

Almost surely, 2^51711047 is an apocalyptic number.

51711047 is a deficient number, since it is larger than the sum of its proper divisors (1098073).

51711047 is a wasteful number, since it uses less digits than its factorization.

51711047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 51711047 is about 7191.0393546413. The cubic root of 51711047 is about 372.5584719706.

The spelling of 51711047 in words is "fifty-one million, seven hundred eleven thousand, forty-seven".