51097206 has 16 divisors (see below), whose sum is σ = 108206064. Its totient is φ = 16030464.

The previous prime is 51097187. The next prime is 51097229. The reversal of 51097206 is 60279015.

It is a super-2 number, since 2×51097206² = 5221848922012872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250375 + ... + 250578.

It is an arithmetic number, because the mean of its divisors is an integer number (6762879).

Almost surely, 2^51097206 is an apocalyptic number.

51097206 is an abundant number, since it is smaller than the sum of its proper divisors (57108858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51097206 is a wasteful number, since it uses less digits than its factorization.

51097206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500975.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 51097206 is about 7148.2309699673. The cubic root of 51097206 is about 371.0784362994.

The spelling of 51097206 in words is "fifty-one million, ninety-seven thousand, two hundred six".