51842842 has 8 divisors (see below), whose sum is σ = 78052032. Its totient is φ = 25825500.

The previous prime is 51842839. The next prime is 51842867. The reversal of 51842842 is 24824815.

51842842 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 super-3 number, since 3×51842842³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51842798 and 51842807.

It is an unprimeable number.

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, 47284 + ... + 48367.

It is an arithmetic number, because the mean of its divisors is an integer number (9756504).

Almost surely, 2^51842842 is an apocalyptic number.

51842842 is a deficient number, since it is larger than the sum of its proper divisors (26209190).

51842842 is a wasteful number, since it uses less digits than its factorization.

51842842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95924.

The product of its digits is 20480, while the sum is 34.

The square root of 51842842 is about 7200.1973584062. The cubic root of 51842842 is about 372.8747144439.

The spelling of 51842842 in words is "fifty-one million, eight hundred forty-two thousand, eight hundred forty-two".