51366953 has 8 divisors (see below), whose sum is σ = 56150496. Its totient is φ = 46602400.

The previous prime is 51366929. The next prime is 51366977. The reversal of 51366953 is 35966315.

51366953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51366929) and next prime (51366977).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51366953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51366923) 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 7 ways as a sum of consecutive naturals, for example, 1250 + ... + 10212.

It is an arithmetic number, because the mean of its divisors is an integer number (7018812).

Almost surely, 2^51366953 is an apocalyptic number.

It is an amenable number.

51366953 is a deficient number, since it is larger than the sum of its proper divisors (4783543).

51366953 is a wasteful number, since it uses less digits than its factorization.

51366953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9495.

The product of its digits is 72900, while the sum is 38.

The square root of 51366953 is about 7167.0742287212. The cubic root of 51366953 is about 371.7302766936.

The spelling of 51366953 in words is "fifty-one million, three hundred sixty-six thousand, nine hundred fifty-three".