51958440041 has 16 divisors (see below), whose sum is σ = 56725094400. Its totient is φ = 47410045200.

The previous prime is 51958440013. The next prime is 51958440049. The reversal of 51958440041 is 14004485915.

It is a cyclic number.

It is not a de Polignac number, because 51958440041 - 2⁶ = 51958439977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51958440049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84761 + ... + 333318.

It is an arithmetic number, because the mean of its divisors is an integer number (3545318400).

Almost surely, 2^51958440041 is an apocalyptic number.

It is an amenable number.

51958440041 is a deficient number, since it is larger than the sum of its proper divisors (4766654359).

51958440041 is a wasteful number, since it uses less digits than its factorization.

51958440041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418340.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 51958440041 in words is "fifty-one billion, nine hundred fifty-eight million, four hundred forty thousand, forty-one".