51842665 has 8 divisors (see below), whose sum is σ = 71098560. Its totient is φ = 35549232.

The previous prime is 51842653. The next prime is 51842669. The reversal of 51842665 is 56624815.

51842665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51842665 - 2¹¹ = 51840617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51842669) 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 7 ways as a sum of consecutive naturals, for example, 740575 + ... + 740644.

It is an arithmetic number, because the mean of its divisors is an integer number (8887320).

Almost surely, 2^51842665 is an apocalyptic number.

It is an amenable number.

51842665 is a deficient number, since it is larger than the sum of its proper divisors (19255895).

51842665 is a wasteful number, since it uses less digits than its factorization.

51842665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481231.

The product of its digits is 57600, while the sum is 37.

The square root of 51842665 is about 7200.1850670660. The cubic root of 51842665 is about 372.8742900916.

The spelling of 51842665 in words is "fifty-one million, eight hundred forty-two thousand, six hundred sixty-five".