52380952381 has 4 divisors (see below), whose sum is σ = 55462184892. Its totient is φ = 49299719872.

The previous prime is 52380952367. The next prime is 52380952417. The reversal of 52380952381 is 18325908325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23687980281 + 28692972100 = 153909^2 + 169390^2 .

It is a cyclic number.

It is not a de Polignac number, because 52380952381 - 2²¹ = 52378855229 is a prime.

It is a super-2 number, since 2×52380952381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52380952301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540616230 + ... + 1540616263.

It is an arithmetic number, because the mean of its divisors is an integer number (13865546223).

Almost surely, 2^52380952381 is an apocalyptic number.

It is an amenable number.

52380952381 is a deficient number, since it is larger than the sum of its proper divisors (3081232511).

52380952381 is a wasteful number, since it uses less digits than its factorization.

52380952381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081232510.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 52380952381 in words is "fifty-two billion, three hundred eighty million, nine hundred fifty-two thousand, three hundred eighty-one".