51067637 has 4 divisors (see below), whose sum is σ = 52828620. Its totient is φ = 49306656.

The previous prime is 51067631. The next prime is 51067651. The reversal of 51067637 is 73676015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12453841 + 38613796 = 3529^2 + 6214^2 .

It is a cyclic number.

It is not a de Polignac number, because 51067637 - 2¹⁶ = 51002101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51067597 and 51067606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51067631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880448 + ... + 880505.

It is an arithmetic number, because the mean of its divisors is an integer number (13207155).

Almost surely, 2^51067637 is an apocalyptic number.

It is an amenable number.

51067637 is a deficient number, since it is larger than the sum of its proper divisors (1760983).

51067637 is a wasteful number, since it uses less digits than its factorization.

51067637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760982.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 51067637 is about 7146.1623966994. The cubic root of 51067637 is about 371.0068437647.

The spelling of 51067637 in words is "fifty-one million, sixty-seven thousand, six hundred thirty-seven".