51842806 has 8 divisors (see below), whose sum is σ = 77797440. Its totient is φ = 25910328.

The previous prime is 51842801. The next prime is 51842837. The reversal of 51842806 is 60824815.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51842801) 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, 2860 + ... + 10576.

It is an arithmetic number, because the mean of its divisors is an integer number (9724680).

Almost surely, 2^51842806 is an apocalyptic number.

51842806 is a deficient number, since it is larger than the sum of its proper divisors (25954634).

51842806 is a wasteful number, since it uses less digits than its factorization.

51842806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11078.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 51842806 is about 7200.1948584743. The cubic root of 51842806 is about 372.8746281351.

Subtracting 51842806 from its reverse (60824815), we obtain a square (8982009 = 2997²).

The spelling of 51842806 in words is "fifty-one million, eight hundred forty-two thousand, eight hundred six".