51726841 has 8 divisors (see below), whose sum is σ = 52690824. Its totient is φ = 50766720.

The previous prime is 51726821. The next prime is 51726853. The reversal of 51726841 is 14862715.

It can be written as a sum of positive squares in 4 ways, for example, as 4116841 + 47610000 = 2029^2 + 6900^2 .

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 51726841 - 2⁵ = 51726809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51726797 and 51726806.

It is not an unprimeable number, because it can be changed into a prime (51726821) 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, 46605 + ... + 47701.

It is an arithmetic number, because the mean of its divisors is an integer number (6586353).

Almost surely, 2^51726841 is an apocalyptic number.

It is an amenable number.

51726841 is a deficient number, since it is larger than the sum of its proper divisors (963983).

51726841 is a wasteful number, since it uses less digits than its factorization.

51726841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931.

The product of its digits is 13440, while the sum is 34.

The square root of 51726841 is about 7192.1374430693. The cubic root of 51726841 is about 372.5963980353.

The spelling of 51726841 in words is "fifty-one million, seven hundred twenty-six thousand, eight hundred forty-one".