51726071 has 4 divisors (see below), whose sum is σ = 51940944. Its totient is φ = 51511200.

The previous prime is 51726049. The next prime is 51726091. The reversal of 51726071 is 17062715.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51726071 - 2⁶ = 51726007 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 (51726001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107075 + ... + 107556.

It is an arithmetic number, because the mean of its divisors is an integer number (12985236).

Almost surely, 2^51726071 is an apocalyptic number.

51726071 is a deficient number, since it is larger than the sum of its proper divisors (214873).

51726071 is a wasteful number, since it uses less digits than its factorization.

51726071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214872.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 51726071 is about 7192.0839121912. The cubic root of 51726071 is about 372.5945492166.

Adding to 51726071 its reverse (17062715), we get a palindrome (68788786).

The spelling of 51726071 in words is "fifty-one million, seven hundred twenty-six thousand, seventy-one".