53880644405 has 16 divisors (see below), whose sum is σ = 73966449024. Its totient is φ = 36910230720.

The previous prime is 53880644369. The next prime is 53880644471. The reversal of 53880644405 is 50444608835.

It is not a de Polignac number, because 53880644405 - 2⁶ = 53880644341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53880644405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724391 + ... + 795300.

It is an arithmetic number, because the mean of its divisors is an integer number (4622903064).

Almost surely, 2^53880644405 is an apocalyptic number.

It is an amenable number.

53880644405 is a deficient number, since it is larger than the sum of its proper divisors (20085804619).

53880644405 is a wasteful number, since it uses less digits than its factorization.

53880644405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520716.

The product of its (nonzero) digits is 1843200, while the sum is 47.

The spelling of 53880644405 in words is "fifty-three billion, eight hundred eighty million, six hundred forty-four thousand, four hundred five".