51475766 has 8 divisors (see below), whose sum is σ = 78009960. Its totient is φ = 25472448.

The previous prime is 51475733. The next prime is 51475777. The reversal of 51475766 is 66757415.

51475766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132476 + ... + 132863.

It is an arithmetic number, because the mean of its divisors is an integer number (9751245).

Almost surely, 2^51475766 is an apocalyptic number.

51475766 is a deficient number, since it is larger than the sum of its proper divisors (26534194).

51475766 is a wasteful number, since it uses less digits than its factorization.

51475766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265438.

The product of its digits is 176400, while the sum is 41.

The square root of 51475766 is about 7174.6613857380. The cubic root of 51475766 is about 371.9925760649.

The spelling of 51475766 in words is "fifty-one million, four hundred seventy-five thousand, seven hundred sixty-six".