51446141 has 4 divisors (see below), whose sum is σ = 51460512. Its totient is φ = 51431772.

The previous prime is 51446137. The next prime is 51446149. The reversal of 51446141 is 14164415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 51446141 - 2² = 51446137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51446141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51446149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2960 + ... + 10566.

It is an arithmetic number, because the mean of its divisors is an integer number (12865128).

Almost surely, 2^51446141 is an apocalyptic number.

It is an amenable number.

51446141 is a deficient number, since it is larger than the sum of its proper divisors (14371).

51446141 is an equidigital number, since it uses as much as digits as its factorization.

51446141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14370.

The product of its digits is 1920, while the sum is 26.

The square root of 51446141 is about 7172.5965312431. The cubic root of 51446141 is about 371.9212001165.

The spelling of 51446141 in words is "fifty-one million, four hundred forty-six thousand, one hundred forty-one".