51061107 has 4 divisors (see below), whose sum is σ = 68081480. Its totient is φ = 34040736.

The previous prime is 51061099. The next prime is 51061111. The reversal of 51061107 is 70116015.

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

It is not a de Polignac number, because 51061107 - 2³ = 51061099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51061807) 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, 8510182 + ... + 8510187.

It is an arithmetic number, because the mean of its divisors is an integer number (17020370).

Almost surely, 2^51061107 is an apocalyptic number.

51061107 is a deficient number, since it is larger than the sum of its proper divisors (17020373).

51061107 is a wasteful number, since it uses less digits than its factorization.

51061107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17020372.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 51061107 is about 7145.7054935115. The cubic root of 51061107 is about 370.9910295877.

The spelling of 51061107 in words is "fifty-one million, sixty-one thousand, one hundred seven".