51768067 has 8 divisors (see below), whose sum is σ = 56044800. Its totient is φ = 47533440.

The previous prime is 51768061. The next prime is 51768083. The reversal of 51768067 is 76086715.

51768067 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 cyclic number.

It is not a de Polignac number, because 51768067 - 2⁷ = 51767939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51768061) 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, 7942 + ... + 12907.

It is an arithmetic number, because the mean of its divisors is an integer number (7005600).

Almost surely, 2^51768067 is an apocalyptic number.

51768067 is a deficient number, since it is larger than the sum of its proper divisors (4276733).

51768067 is a wasteful number, since it uses less digits than its factorization.

51768067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21053.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 51768067 is about 7195.0029186929. The cubic root of 51768067 is about 372.6953574912.

The spelling of 51768067 in words is "fifty-one million, seven hundred sixty-eight thousand, sixty-seven".