51452445441 has 4 divisors (see below), whose sum is σ = 68603260592. Its totient is φ = 34301630292.

The previous prime is 51452445419. The next prime is 51452445469. The reversal of 51452445441 is 14454425415.

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.

It is not a de Polignac number, because 51452445441 - 2⁵ = 51452445409 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 51452445441.

It is not an unprimeable number, because it can be changed into a prime (51452445491) 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 3 ways as a sum of consecutive naturals, for example, 8575407571 + ... + 8575407576.

It is an arithmetic number, because the mean of its divisors is an integer number (17150815148).

Almost surely, 2^51452445441 is an apocalyptic number.

It is an amenable number.

51452445441 is a deficient number, since it is larger than the sum of its proper divisors (17150815151).

51452445441 is a wasteful number, since it uses less digits than its factorization.

51452445441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17150815150.

The product of its digits is 256000, while the sum is 39.

The spelling of 51452445441 in words is "fifty-one billion, four hundred fifty-two million, four hundred forty-five thousand, four hundred forty-one".