53885387577055 has 4 divisors (see below), whose sum is σ = 64662465092472. Its totient is φ = 43108310061640.

The previous prime is 53885387577031. The next prime is 53885387577061. The reversal of 53885387577055 is 55077578358835.

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

It is not a de Polignac number, because 53885387577055 - 2²¹ = 53885385479903 is a prime.

It is a Duffinian number.

It is a congruent 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, 5388538757701 + ... + 5388538757710.

It is an arithmetic number, because the mean of its divisors is an integer number (16165616273118).

Almost surely, 2^{53885387577055} is an apocalyptic number.

53885387577055 is a deficient number, since it is larger than the sum of its proper divisors (10777077515417).

53885387577055 is a wasteful number, since it uses less digits than its factorization.

53885387577055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10777077515416.

The product of its (nonzero) digits is 4939200000, while the sum is 76.

The spelling of 53885387577055 in words is "fifty-three trillion, eight hundred eighty-five billion, three hundred eighty-seven million, five hundred seventy-seven thousand, fifty-five".