51739071 has 8 divisors (see below), whose sum is σ = 72616320. Its totient is φ = 32677272.

The previous prime is 51739069. The next prime is 51739073. The reversal of 51739071 is 17093715.

It is an interprime number because it is at equal distance from previous prime (51739069) and next prime (51739073).

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

It is not a de Polignac number, because 51739071 - 2¹ = 51739069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51739073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453795 + ... + 453908.

It is an arithmetic number, because the mean of its divisors is an integer number (9077040).

Almost surely, 2^51739071 is an apocalyptic number.

51739071 is a deficient number, since it is larger than the sum of its proper divisors (20877249).

51739071 is a wasteful number, since it uses less digits than its factorization.

51739071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907725.

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 51739071 is about 7192.9876268488. The cubic root of 51739071 is about 372.6257605788.

The spelling of 51739071 in words is "fifty-one million, seven hundred thirty-nine thousand, seventy-one".