53578638939 has 12 divisors (see below), whose sum is σ = 83101562664. Its totient is φ = 30616365024.

The previous prime is 53578638913. The next prime is 53578638947. The reversal of 53578638939 is 93983687535.

53578638939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53578638939 - 2¹³ = 53578630747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53578638939.

It is not an unprimeable number, because it can be changed into a prime (53578638959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182240122 + ... + 182240415.

It is an arithmetic number, because the mean of its divisors is an integer number (6925130222).

Almost surely, 2^53578638939 is an apocalyptic number.

53578638939 is a deficient number, since it is larger than the sum of its proper divisors (29522923725).

53578638939 is a wasteful number, since it uses less digits than its factorization.

53578638939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364480554 (or 364480547 counting only the distinct ones).

The product of its digits is 146966400, while the sum is 66.

The spelling of 53578638939 in words is "fifty-three billion, five hundred seventy-eight million, six hundred thirty-eight thousand, nine hundred thirty-nine".