53444644644435 has 32 divisors (see below), whose sum is σ = 95806419501312. Its totient is φ = 25212215652480.

The previous prime is 53444644644427. The next prime is 53444644644481.

53444644644435 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53444644644435 - 2³ = 53444644644427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4377114669 + ... + 4377126878.

It is an arithmetic number, because the mean of its divisors is an integer number (2993950609416).

Almost surely, 2^{53444644644435} is an apocalyptic number.

53444644644435 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53444644644435 is a deficient number, since it is larger than the sum of its proper divisors (42361774856877).

53444644644435 is a wasteful number, since it uses less digits than its factorization.

53444644644435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754241603.

The product of its digits is 530841600, while the sum is 60.

It can be divided in two parts, 5344464 and 4644435, that added together give a palindrome (9988899).

The spelling of 53444644644435 in words is "fifty-three trillion, four hundred forty-four billion, six hundred forty-four million, six hundred forty-four thousand, four hundred thirty-five".