55867788585 has 96 divisors (see below), whose sum is σ = 121521883392. Its totient is φ = 24037171200.

The previous prime is 55867788583. The next prime is 55867788623. The reversal of 55867788585 is 58588776855.

It is a happy number.

55867788585 is a `hidden beast` number, since 558 + 67 + 7 + 8 + 8 + 5 + 8 + 5 = 666.

55867788585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55867788585 - 2¹ = 55867788583 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55867788583) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48616 + ... + 337785.

It is an arithmetic number, because the mean of its divisors is an integer number (1265852952).

Almost surely, 2^55867788585 is an apocalyptic number.

It is an amenable number.

55867788585 is an abundant number, since it is smaller than the sum of its proper divisors (65654094807).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55867788585 is a wasteful number, since it uses less digits than its factorization.

55867788585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386445 (or 386433 counting only the distinct ones).

The product of its digits is 752640000, while the sum is 72.

The spelling of 55867788585 in words is "fifty-five billion, eight hundred sixty-seven million, seven hundred eighty-eight thousand, five hundred eighty-five".