6554389155 has 16 divisors (see below), whose sum is σ = 10567079424. Its totient is φ = 3468988640.

The previous prime is 6554389123. The next prime is 6554389159. The reversal of 6554389155 is 5519834556.

It is not a de Polignac number, because 6554389155 - 2⁵ = 6554389123 is a prime.

It is a super-2 number, since 2×6554389155² = 85920034390363228050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6554389098 and 6554389107.

It is not an unprimeable number, because it can be changed into a prime (6554389159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665819 + ... + 1669748.

It is an arithmetic number, because the mean of its divisors is an integer number (660442464).

Almost surely, 2^6554389155 is an apocalyptic number.

6554389155 is a deficient number, since it is larger than the sum of its proper divisors (4012690269).

6554389155 is a wasteful number, since it uses less digits than its factorization.

6554389155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335706.

The product of its digits is 3240000, while the sum is 51.

The square root of 6554389155 is about 80959.1820302058. The cubic root of 6554389155 is about 1871.4464634785.

The spelling of 6554389155 in words is "six billion, five hundred fifty-four million, three hundred eighty-nine thousand, one hundred fifty-five".