51643027 has 8 divisors (see below), whose sum is σ = 54773280. Its totient is φ = 48586560.

The previous prime is 51642979. The next prime is 51643037. The reversal of 51643027 is 72034615.

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-51643027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51642986 and 51643004.

It is not an unprimeable number, because it can be changed into a prime (51643037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17002 + ... + 19807.

It is an arithmetic number, because the mean of its divisors is an integer number (6846660).

Almost surely, 2^51643027 is an apocalyptic number.

51643027 is a deficient number, since it is larger than the sum of its proper divisors (3130253).

51643027 is a wasteful number, since it uses less digits than its factorization.

51643027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36893.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 51643027 is about 7186.3083012072. The cubic root of 51643027 is about 372.3950475309.

It can be divided in two parts, 5 and 1643027, that added together give a cube (1643032 = 118³).

The spelling of 51643027 in words is "fifty-one million, six hundred forty-three thousand, twenty-seven".