5455431665 has 16 divisors (see below), whose sum is σ = 7009500240. Its totient is φ = 4061460480.

The previous prime is 5455431661. The next prime is 5455431673. The reversal of 5455431665 is 5661345545.

5455431665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 608904976 + 4846526689 = 24676^2 + 69617^2 .

It is not a de Polignac number, because 5455431665 - 2² = 5455431661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5455431661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353006 + ... + 368135.

It is an arithmetic number, because the mean of its divisors is an integer number (438093765).

Almost surely, 2^5455431665 is an apocalyptic number.

It is an amenable number.

5455431665 is a deficient number, since it is larger than the sum of its proper divisors (1554068575).

5455431665 is a wasteful number, since it uses less digits than its factorization.

5455431665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721252.

The product of its digits is 1080000, while the sum is 44.

The square root of 5455431665 is about 73860.8940170643. The cubic root of 5455431665 is about 1760.3932989204.

The spelling of 5455431665 in words is "five billion, four hundred fifty-five million, four hundred thirty-one thousand, six hundred sixty-five".