51807067 has 24 divisors (see below), whose sum is σ = 59566752. Its totient is φ = 44755200.

The previous prime is 51807059. The next prime is 51807073. The reversal of 51807067 is 76070815.

51807067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51807067 - 2³ = 51807059 is a prime.

It is a super-2 number, since 2×51807067² = 5367944382284978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51807037) 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 23 ways as a sum of consecutive naturals, for example, 729642 + ... + 729712.

It is an arithmetic number, because the mean of its divisors is an integer number (2481948).

Almost surely, 2^51807067 is an apocalyptic number.

51807067 is a deficient number, since it is larger than the sum of its proper divisors (7759685).

51807067 is a wasteful number, since it uses less digits than its factorization.

51807067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 51807067 is about 7197.7126227712. The cubic root of 51807067 is about 372.7889252783.

The spelling of 51807067 in words is "fifty-one million, eight hundred seven thousand, sixty-seven".