53835957489 has 4 divisors (see below), whose sum is σ = 71781276656. Its totient is φ = 35890638324.

The previous prime is 53835957457. The next prime is 53835957517. The reversal of 53835957489 is 98475953835.

53835957489 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53835957489 - 2⁵ = 53835957457 is a prime.

It is a super-3 number, since 3×53835957489³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53835958489) 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, 8972659579 + ... + 8972659584.

It is an arithmetic number, because the mean of its divisors is an integer number (17945319164).

Almost surely, 2^53835957489 is an apocalyptic number.

It is an amenable number.

53835957489 is a deficient number, since it is larger than the sum of its proper divisors (17945319167).

53835957489 is a wasteful number, since it uses less digits than its factorization.

53835957489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17945319166.

The product of its digits is 163296000, while the sum is 66.

The spelling of 53835957489 in words is "fifty-three billion, eight hundred thirty-five million, nine hundred fifty-seven thousand, four hundred eighty-nine".