51359942 has 8 divisors (see below), whose sum is σ = 77905800. Its totient is φ = 25391344.

The previous prime is 51359939. The next prime is 51359947. The reversal of 51359942 is 24995315.

51359942 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 junction number, because it is equal to n+sod(n) for n = 51359896 and 51359905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51359947) 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 3 ways as a sum of consecutive naturals, for example, 144092 + ... + 144447.

It is an arithmetic number, because the mean of its divisors is an integer number (9738225).

Almost surely, 2^51359942 is an apocalyptic number.

51359942 is a deficient number, since it is larger than the sum of its proper divisors (26545858).

51359942 is a wasteful number, since it uses less digits than its factorization.

51359942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288630.

The product of its digits is 48600, while the sum is 38.

The square root of 51359942 is about 7166.5851003110. The cubic root of 51359942 is about 371.7133636175.

The spelling of 51359942 in words is "fifty-one million, three hundred fifty-nine thousand, nine hundred forty-two".