53942389385 has 4 divisors (see below), whose sum is σ = 64730867268. Its totient is φ = 43153911504.

The previous prime is 53942389381. The next prime is 53942389409. The reversal of 53942389385 is 58398324935.

53942389385 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 can be written as a sum of positive squares in 2 ways, for example, as 40757149456 + 13185239929 = 201884^2 + 114827^2 .

It is a cyclic number.

It is not a de Polignac number, because 53942389385 - 2² = 53942389381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53942389381) 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, 5394238934 + ... + 5394238943.

It is an arithmetic number, because the mean of its divisors is an integer number (16182716817).

Almost surely, 2^53942389385 is an apocalyptic number.

It is an amenable number.

53942389385 is a deficient number, since it is larger than the sum of its proper divisors (10788477883).

53942389385 is a wasteful number, since it uses less digits than its factorization.

53942389385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10788477882.

The product of its digits is 27993600, while the sum is 59.

The spelling of 53942389385 in words is "fifty-three billion, nine hundred forty-two million, three hundred eighty-nine thousand, three hundred eighty-five".