51170107 has 4 divisors (see below), whose sum is σ = 51203296. Its totient is φ = 51136920.

The previous prime is 51170099. The next prime is 51170137. The reversal of 51170107 is 70107115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51170107 - 2³ = 51170099 is a prime.

It is a super-3 number, since 3×51170107³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51170137) 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, 14163 + ... + 17404.

It is an arithmetic number, because the mean of its divisors is an integer number (12800824).

Almost surely, 2^51170107 is an apocalyptic number.

51170107 is a deficient number, since it is larger than the sum of its proper divisors (33189).

51170107 is a wasteful number, since it uses less digits than its factorization.

51170107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33188.

The product of its (nonzero) digits is 245, while the sum is 22.

The square root of 51170107 is about 7153.3283861431. The cubic root of 51170107 is about 371.2548264667.

The spelling of 51170107 in words is "fifty-one million, one hundred seventy thousand, one hundred seven".