51717367 has 8 divisors (see below), whose sum is σ = 56527856. Its totient is φ = 47025792.

The previous prime is 51717329. The next prime is 51717377. The reversal of 51717367 is 76371715.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51717367 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 (51717377) 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, 28818 + ... + 30559.

It is an arithmetic number, because the mean of its divisors is an integer number (7065982).

Almost surely, 2^51717367 is an apocalyptic number.

51717367 is a deficient number, since it is larger than the sum of its proper divisors (4810489).

51717367 is a wasteful number, since it uses less digits than its factorization.

51717367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59457.

The product of its digits is 30870, while the sum is 37.

The square root of 51717367 is about 7191.4787769971. The cubic root of 51717367 is about 372.5736490862.

The spelling of 51717367 in words is "fifty-one million, seven hundred seventeen thousand, three hundred sixty-seven".