51459842 has 8 divisors (see below), whose sum is σ = 88216896. Its totient is φ = 22054212.

The previous prime is 51459773. The next prime is 51459869. The reversal of 51459842 is 24895415.

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

It is a junction number, because it is equal to n+sod(n) for n = 51459796 and 51459805.

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, 1837838 + ... + 1837865.

It is an arithmetic number, because the mean of its divisors is an integer number (11027112).

Almost surely, 2^51459842 is an apocalyptic number.

51459842 is a deficient number, since it is larger than the sum of its proper divisors (36757054).

51459842 is a wasteful number, since it uses less digits than its factorization.

51459842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675712.

The product of its digits is 57600, while the sum is 38.

The square root of 51459842 is about 7173.5515611167. The cubic root of 51459842 is about 371.9542135423.

The spelling of 51459842 in words is "fifty-one million, four hundred fifty-nine thousand, eight hundred forty-two".