51967085 has 8 divisors (see below), whose sum is σ = 62547576. Its totient is φ = 41448960.

The previous prime is 51967081. The next prime is 51967099. The reversal of 51967085 is 58076915.

It can be written as a sum of positive squares in 4 ways, for example, as 6620329 + 45346756 = 2573^2 + 6734^2 .

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

It is not a de Polignac number, because 51967085 - 2² = 51967081 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 (51967081) 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, 13736 + ... + 17105.

It is an arithmetic number, because the mean of its divisors is an integer number (7818447).

Almost surely, 2^51967085 is an apocalyptic number.

It is an amenable number.

51967085 is a deficient number, since it is larger than the sum of its proper divisors (10580491).

51967085 is a wasteful number, since it uses less digits than its factorization.

51967085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31183.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 51967085 is about 7208.8199450395. The cubic root of 51967085 is about 373.1723454666.

The spelling of 51967085 in words is "fifty-one million, nine hundred sixty-seven thousand, eighty-five".