51617741 has 8 divisors (see below), whose sum is σ = 59048640. Its totient is φ = 44201088.

The previous prime is 51617719. The next prime is 51617749. The reversal of 51617741 is 14771615.

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 51617741 - 2¹⁰ = 51616717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51617698 and 51617707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51617749) 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, 5885 + ... + 11741.

It is an arithmetic number, because the mean of its divisors is an integer number (7381080).

Almost surely, 2^51617741 is an apocalyptic number.

It is an amenable number.

51617741 is a deficient number, since it is larger than the sum of its proper divisors (7430899).

51617741 is a wasteful number, since it uses less digits than its factorization.

51617741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7123.

The product of its digits is 5880, while the sum is 32.

The square root of 51617741 is about 7184.5487680160. The cubic root of 51617741 is about 372.3342589534.

The spelling of 51617741 in words is "fifty-one million, six hundred seventeen thousand, seven hundred forty-one".