53405405255 has 4 divisors (see below), whose sum is σ = 64086486312. Its totient is φ = 42724324200.

The previous prime is 53405405239. The next prime is 53405405357. The reversal of 53405405255 is 55250450435.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53405405255 - 2⁴ = 53405405239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5340540521 + ... + 5340540530.

It is an arithmetic number, because the mean of its divisors is an integer number (16021621578).

Almost surely, 2^53405405255 is an apocalyptic number.

53405405255 is a deficient number, since it is larger than the sum of its proper divisors (10681081057).

53405405255 is a wasteful number, since it uses less digits than its factorization.

53405405255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10681081056.

The product of its (nonzero) digits is 300000, while the sum is 38.

The spelling of 53405405255 in words is "fifty-three billion, four hundred five million, four hundred five thousand, two hundred fifty-five".