51741421 has 8 divisors (see below), whose sum is σ = 57167424. Its totient is φ = 46580160.

The previous prime is 51741379. The next prime is 51741433. The reversal of 51741421 is 12414715.

51741421 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51741421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51741721) 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 7 ways as a sum of consecutive naturals, for example, 65775 + ... + 66556.

It is an arithmetic number, because the mean of its divisors is an integer number (7145928).

Almost surely, 2^51741421 is an apocalyptic number.

It is an amenable number.

51741421 is a deficient number, since it is larger than the sum of its proper divisors (5426003).

51741421 is a wasteful number, since it uses less digits than its factorization.

51741421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132371.

The product of its digits is 1120, while the sum is 25.

The square root of 51741421 is about 7193.1509785351. The cubic root of 51741421 is about 372.6314020748.

The spelling of 51741421 in words is "fifty-one million, seven hundred forty-one thousand, four hundred twenty-one".