8553486461 has 48 divisors (see below), whose sum is σ = 9999657360. Its totient is φ = 7259965440.

The previous prime is 8553486407. The next prime is 8553486479. The reversal of 8553486461 is 1646843558.

It can be written as a sum of positive squares in 24 ways, for example, as 3552875236 + 5000611225 = 59606^2 + 70715^2 .

It is not a de Polignac number, because 8553486461 - 2¹⁴ = 8553470077 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 (8553486061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43418615 + ... + 43418811.

It is an arithmetic number, because the mean of its divisors is an integer number (208326195).

Almost surely, 2^8553486461 is an apocalyptic number.

It is an amenable number.

8553486461 is a deficient number, since it is larger than the sum of its proper divisors (1446170899).

8553486461 is a wasteful number, since it uses less digits than its factorization.

8553486461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 333 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 50.

The square root of 8553486461 is about 92485.0607449657. The cubic root of 8553486461 is about 2045.0992561864.

The spelling of 8553486461 in words is "eight billion, five hundred fifty-three million, four hundred eighty-six thousand, four hundred sixty-one".