51958482249 has 4 divisors (see below), whose sum is σ = 69277976336. Its totient is φ = 34638988164.

The previous prime is 51958482227. The next prime is 51958482269. The reversal of 51958482249 is 94228485915.

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 51958482249 - 2¹¹ = 51958480201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51958482209) 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, 8659747039 + ... + 8659747044.

It is an arithmetic number, because the mean of its divisors is an integer number (17319494084).

Almost surely, 2^51958482249 is an apocalyptic number.

It is an amenable number.

51958482249 is a deficient number, since it is larger than the sum of its proper divisors (17319494087).

51958482249 is a wasteful number, since it uses less digits than its factorization.

51958482249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17319494086.

The product of its digits is 8294400, while the sum is 57.

The spelling of 51958482249 in words is "fifty-one billion, nine hundred fifty-eight million, four hundred eighty-two thousand, two hundred forty-nine".