51055727 has 4 divisors (see below), whose sum is σ = 51082920. Its totient is φ = 51028536.

The previous prime is 51055723. The next prime is 51055751. The reversal of 51055727 is 72755015.

51055727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51055727 - 2² = 51055723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51055693 and 51055702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51055723) 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 3 ways as a sum of consecutive naturals, for example, 10553 + ... + 14610.

It is an arithmetic number, because the mean of its divisors is an integer number (12770730).

Almost surely, 2^51055727 is an apocalyptic number.

51055727 is a deficient number, since it is larger than the sum of its proper divisors (27193).

51055727 is a wasteful number, since it uses less digits than its factorization.

51055727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27192.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 51055727 is about 7145.3290337115. The cubic root of 51055727 is about 370.9779994364.

The spelling of 51055727 in words is "fifty-one million, fifty-five thousand, seven hundred twenty-seven".