51761171 has 8 divisors (see below), whose sum is σ = 64533504. Its totient is φ = 40333320.

The previous prime is 51761153. The next prime is 51761179. The reversal of 51761171 is 17116715.

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-51761171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51761179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336035 + ... + 336188.

It is an arithmetic number, because the mean of its divisors is an integer number (8066688).

Almost surely, 2^51761171 is an apocalyptic number.

51761171 is a deficient number, since it is larger than the sum of its proper divisors (12772333).

51761171 is a wasteful number, since it uses less digits than its factorization.

51761171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672241.

The product of its digits is 1470, while the sum is 29.

The square root of 51761171 is about 7194.5236812453. The cubic root of 51761171 is about 372.6788078982.

Adding to 51761171 its reverse (17116715), we get a palindrome (68877886).

The spelling of 51761171 in words is "fifty-one million, seven hundred sixty-one thousand, one hundred seventy-one".