51442941 has 8 divisors (see below), whose sum is σ = 74826144. Its totient is φ = 31177520.

The previous prime is 51442931. The next prime is 51442943. The reversal of 51442941 is 14924415.

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

It is not a de Polignac number, because 51442941 - 2⁷ = 51442813 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51442899 and 51442908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51442943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779406 + ... + 779471.

It is an arithmetic number, because the mean of its divisors is an integer number (9353268).

Almost surely, 2^51442941 is an apocalyptic number.

It is an amenable number.

51442941 is a deficient number, since it is larger than the sum of its proper divisors (23383203).

51442941 is a wasteful number, since it uses less digits than its factorization.

51442941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558891.

The product of its digits is 5760, while the sum is 30.

The square root of 51442941 is about 7172.3734565345. The cubic root of 51442941 is about 371.9134886699.

The spelling of 51442941 in words is "fifty-one million, four hundred forty-two thousand, nine hundred forty-one".