52379551447 has 4 divisors (see below), whose sum is σ = 52668941416. Its totient is φ = 52090161480.

The previous prime is 52379551421. The next prime is 52379551457. The reversal of 52379551447 is 74415597325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52379551447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52379551394 and 52379551403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52379551457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144694713 + ... + 144695074.

It is an arithmetic number, because the mean of its divisors is an integer number (13167235354).

Almost surely, 2^52379551447 is an apocalyptic number.

52379551447 is a deficient number, since it is larger than the sum of its proper divisors (289389969).

52379551447 is a wasteful number, since it uses less digits than its factorization.

52379551447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289389968.

The product of its digits is 5292000, while the sum is 52.

The spelling of 52379551447 in words is "fifty-two billion, three hundred seventy-nine million, five hundred fifty-one thousand, four hundred forty-seven".