51041642 has 8 divisors (see below), whose sum is σ = 77050596. Its totient is φ = 25358112.

The previous prime is 51041621. The next prime is 51041651. The reversal of 51041642 is 24614015.

51041642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47761921 + 3279721 = 6911^2 + 1811^2 .

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

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, 80963 + ... + 81590.

Almost surely, 2^51041642 is an apocalyptic number.

51041642 is a deficient number, since it is larger than the sum of its proper divisors (26008954).

51041642 is a wasteful number, since it uses less digits than its factorization.

51041642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162712.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 51041642 is about 7144.3433568103. The cubic root of 51041642 is about 370.9438817771.

Adding to 51041642 its reverse (24614015), we get a palindrome (75655657).

The spelling of 51041642 in words is "fifty-one million, forty-one thousand, six hundred forty-two".