51106208 has 12 divisors (see below), whose sum is σ = 100615410. Its totient is φ = 25553088.

The previous prime is 51106183. The next prime is 51106217. The reversal of 51106208 is 80260115.

It can be written as a sum of positive squares in only one way, i.e., 48832144 + 2274064 = 6988^2 + 1508^2 .

It is a super-2 number, since 2×51106208² = 5223688992278528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 798503 + ... + 798566.

Almost surely, 2^51106208 is an apocalyptic number.

It is an amenable number.

51106208 is a deficient number, since it is larger than the sum of its proper divisors (49509202).

51106208 is a wasteful number, since it uses less digits than its factorization.

51106208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597079 (or 1597071 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 51106208 is about 7148.8606085166. The cubic root of 51106208 is about 371.1002264793.

The spelling of 51106208 in words is "fifty-one million, one hundred six thousand, two hundred eight".