553143678385 has 16 divisors (see below), whose sum is σ = 666593592192. Its totient is φ = 440634528000.

The previous prime is 553143678341. The next prime is 553143678403. The reversal of 553143678385 is 583876341355.

553143678385 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 553143678385 - 2¹⁹ = 553143154097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17518182 + ... + 17549728.

It is an arithmetic number, because the mean of its divisors is an integer number (41662099512).

Almost surely, 2^553143678385 is an apocalyptic number.

It is an amenable number.

553143678385 is a deficient number, since it is larger than the sum of its proper divisors (113449913807).

553143678385 is a wasteful number, since it uses less digits than its factorization.

553143678385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46344.

The product of its digits is 36288000, while the sum is 58.

The spelling of 553143678385 in words is "five hundred fifty-three billion, one hundred forty-three million, six hundred seventy-eight thousand, three hundred eighty-five".