53982172379 has 4 divisors (see below), whose sum is σ = 56329223376. Its totient is φ = 51635121384.

The previous prime is 53982172357. The next prime is 53982172399. The reversal of 53982172379 is 97327128935.

It is a happy number.

53982172379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-53982172379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53982172339) 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, 1173525464 + ... + 1173525509.

It is an arithmetic number, because the mean of its divisors is an integer number (14082305844).

Almost surely, 2^53982172379 is an apocalyptic number.

53982172379 is a deficient number, since it is larger than the sum of its proper divisors (2347050997).

53982172379 is a wasteful number, since it uses less digits than its factorization.

53982172379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347050996.

The product of its digits is 5715360, while the sum is 56.

The spelling of 53982172379 in words is "fifty-three billion, nine hundred eighty-two million, one hundred seventy-two thousand, three hundred seventy-nine".