51366696 has 16 divisors (see below), whose sum is σ = 128416800. Its totient is φ = 17122224.

The previous prime is 51366691. The next prime is 51366713. The reversal of 51366696 is 69666315.

51366696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51366691) by changing a digit.

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, 1070116 + ... + 1070163.

It is an arithmetic number, because the mean of its divisors is an integer number (8026050).

Almost surely, 2^51366696 is an apocalyptic number.

It is an amenable number.

51366696 is an abundant number, since it is smaller than the sum of its proper divisors (77050104).

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

51366696 is a wasteful number, since it uses less digits than its factorization.

51366696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140288 (or 2140284 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 51366696 is about 7167.0562994859. The cubic root of 51366696 is about 371.7296567435.

The spelling of 51366696 in words is "fifty-one million, three hundred sixty-six thousand, six hundred ninety-six".