51193766 has 16 divisors (see below), whose sum is σ = 87562944. Its totient is φ = 22237824.

The previous prime is 51193757. The next prime is 51193777. The reversal of 51193766 is 66739115.

51193766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 57470 + ... + 58353.

It is an arithmetic number, because the mean of its divisors is an integer number (5472684).

Almost surely, 2^51193766 is an apocalyptic number.

51193766 is a deficient number, since it is larger than the sum of its proper divisors (36369178).

51193766 is a wasteful number, since it uses less digits than its factorization.

51193766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115855.

The product of its digits is 34020, while the sum is 38.

The square root of 51193766 is about 7154.9819007458. The cubic root of 51193766 is about 371.3120354186.

The spelling of 51193766 in words is "fifty-one million, one hundred ninety-three thousand, seven hundred sixty-six".