53580777861 has 8 divisors (see below), whose sum is σ = 76936501600. Its totient is φ = 32972786352.

The previous prime is 53580777823. The next prime is 53580777911. The reversal of 53580777861 is 16877708535.

53580777861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53580777861 - 2³⁰ = 52507036037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53580775861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686933011 + ... + 686933088.

It is an arithmetic number, because the mean of its divisors is an integer number (9617062700).

Almost surely, 2^53580777861 is an apocalyptic number.

It is an amenable number.

53580777861 is a deficient number, since it is larger than the sum of its proper divisors (23355723739).

53580777861 is a wasteful number, since it uses less digits than its factorization.

53580777861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373866115.

The product of its (nonzero) digits is 9878400, while the sum is 57.

The spelling of 53580777861 in words is "fifty-three billion, five hundred eighty million, seven hundred seventy-seven thousand, eight hundred sixty-one".