53404640435 has 4 divisors (see below), whose sum is σ = 64085568528. Its totient is φ = 42723712344.

The previous prime is 53404640413. The next prime is 53404640479.

53404640435 is nontrivially palindromic in base 10.

53404640435 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 not a de Polignac number, because 53404640435 - 2²⁴ = 53387863219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5340464039 + ... + 5340464048.

It is an arithmetic number, because the mean of its divisors is an integer number (16021392132).

Almost surely, 2^53404640435 is an apocalyptic number.

53404640435 is a deficient number, since it is larger than the sum of its proper divisors (10680928093).

53404640435 is a wasteful number, since it uses less digits than its factorization.

53404640435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10680928092.

The product of its (nonzero) digits is 345600, while the sum is 38.

The spelling of 53404640435 in words is "fifty-three billion, four hundred four million, six hundred forty thousand, four hundred thirty-five".