51012366 has 8 divisors (see below), whose sum is σ = 102024744. Its totient is φ = 17004120.

The previous prime is 51012301. The next prime is 51012389. The reversal of 51012366 is 66321015.

It is a sphenic number, since it is the product of 3 distinct primes.

51012366 is an admirable number.

It is a super-2 number, since 2×51012366² = 5204522969835912, 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4251025 + ... + 4251036.

It is an arithmetic number, because the mean of its divisors is an integer number (12753093).

Almost surely, 2^51012366 is an apocalyptic number.

51012366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51012366 is a wasteful number, since it uses less digits than its factorization.

51012366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502066.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51012366 is about 7142.2941692428. The cubic root of 51012366 is about 370.8729473427.

The spelling of 51012366 in words is "fifty-one million, twelve thousand, three hundred sixty-six".