51842706 has 8 divisors (see below), whose sum is σ = 103685424. Its totient is φ = 17280900.

The previous prime is 51842699. The next prime is 51842711. The reversal of 51842706 is 60724815.

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

51842706 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4320220 + ... + 4320231.

It is an arithmetic number, because the mean of its divisors is an integer number (12960678).

Almost surely, 2^51842706 is an apocalyptic number.

51842706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51842706 is a wasteful number, since it uses less digits than its factorization.

51842706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640456.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 51842706 is about 7200.1879142145. The cubic root of 51842706 is about 372.8743883880.

The spelling of 51842706 in words is "fifty-one million, eight hundred forty-two thousand, seven hundred six".