51717041 has 4 divisors (see below), whose sum is σ = 53965632. Its totient is φ = 49468452.

The previous prime is 51717023. The next prime is 51717053. The reversal of 51717041 is 14071715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51717041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51717041.

It is not an unprimeable number, because it can be changed into a prime (51717091) 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, 1124261 + ... + 1124306.

It is an arithmetic number, because the mean of its divisors is an integer number (13491408).

Almost surely, 2^51717041 is an apocalyptic number.

It is an amenable number.

51717041 is a deficient number, since it is larger than the sum of its proper divisors (2248591).

51717041 is a wasteful number, since it uses less digits than its factorization.

51717041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248590.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 51717041 is about 7191.4561112476. The cubic root of 51717041 is about 372.5728662463.

Adding to 51717041 its reverse (14071715), we get a palindrome (65788756).

The spelling of 51717041 in words is "fifty-one million, seven hundred seventeen thousand, forty-one".