51106845 has 32 divisors (see below), whose sum is σ = 89579520. Its totient is φ = 24765440.

The previous prime is 51106829. The next prime is 51106871. The reversal of 51106845 is 54860115.

51106845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51106845 - 2⁴ = 51106829 is a prime.

It is a super-2 number, since 2×51106845² = 5223819211708050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3940 + ... + 10850.

It is an arithmetic number, because the mean of its divisors is an integer number (2799360).

Almost surely, 2^51106845 is an apocalyptic number.

It is an amenable number.

51106845 is a deficient number, since it is larger than the sum of its proper divisors (38472675).

51106845 is a wasteful number, since it uses less digits than its factorization.

51106845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 51106845 is about 7148.9051609320. The cubic root of 51106845 is about 371.1017683002.

The spelling of 51106845 in words is "fifty-one million, one hundred six thousand, eight hundred forty-five".