51106197 has 16 divisors (see below), whose sum is σ = 70909952. Its totient is φ = 32704560.

The previous prime is 51106183. The next prime is 51106217. The reversal of 51106197 is 79160115.

51106197 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 51106197 - 2⁸ = 51105941 is a prime.

It is a super-2 number, since 2×51106197² = 5223686743605618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51106117) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9648 + ... + 13974.

It is an arithmetic number, because the mean of its divisors is an integer number (4431872).

Almost surely, 2^51106197 is an apocalyptic number.

It is an amenable number.

51106197 is a deficient number, since it is larger than the sum of its proper divisors (19803755).

51106197 is a wasteful number, since it uses less digits than its factorization.

51106197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488.

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 51106197 is about 7148.8598391632. The cubic root of 51106197 is about 371.1001998544.

The spelling of 51106197 in words is "fifty-one million, one hundred six thousand, one hundred ninety-seven".