51680741 has 12 divisors (see below), whose sum is σ = 63283680. Its totient is φ = 41965560.

The previous prime is 51680737. The next prime is 51680743. The reversal of 51680741 is 14708615.

It is a happy number.

51680741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51680741 - 2² = 51680737 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51680698 and 51680707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51680743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26825 + ... + 28686.

It is an arithmetic number, because the mean of its divisors is an integer number (5273640).

Almost surely, 2^51680741 is an apocalyptic number.

It is an amenable number.

51680741 is a deficient number, since it is larger than the sum of its proper divisors (11602939).

51680741 is a wasteful number, since it uses less digits than its factorization.

51680741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55544 (or 55537 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 51680741 is about 7188.9318399885. The cubic root of 51680741 is about 372.4856766710.

The spelling of 51680741 in words is "fifty-one million, six hundred eighty thousand, seven hundred forty-one".