51842727 has 8 divisors (see below), whose sum is σ = 76804080. Its totient is φ = 34561800.

The previous prime is 51842719. The next prime is 51842731. The reversal of 51842727 is 72724815.

It is not a de Polignac number, because 51842727 - 2³ = 51842719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51842691 and 51842700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51842627) 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, 960024 + ... + 960077.

It is an arithmetic number, because the mean of its divisors is an integer number (9600510).

Almost surely, 2^51842727 is an apocalyptic number.

51842727 is a deficient number, since it is larger than the sum of its proper divisors (24961353).

51842727 is a wasteful number, since it uses less digits than its factorization.

51842727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920110 (or 1920104 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 51842727 is about 7200.1893725096. The cubic root of 51842727 is about 372.8744387349.

The spelling of 51842727 in words is "fifty-one million, eight hundred forty-two thousand, seven hundred twenty-seven".