51367886 has 8 divisors (see below), whose sum is σ = 78843864. Its totient is φ = 25086600.

The previous prime is 51367871. The next prime is 51367919. The reversal of 51367886 is 68876315.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298565 + ... + 298736.

It is an arithmetic number, because the mean of its divisors is an integer number (9855483).

Almost surely, 2^51367886 is an apocalyptic number.

51367886 is a deficient number, since it is larger than the sum of its proper divisors (27475978).

51367886 is a wasteful number, since it uses less digits than its factorization.

51367886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597346.

The product of its digits is 241920, while the sum is 44.

The square root of 51367886 is about 7167.1393177474. The cubic root of 51367886 is about 371.7325273121.

The spelling of 51367886 in words is "fifty-one million, three hundred sixty-seven thousand, eight hundred eighty-six".