6554540533 has 4 divisors (see below), whose sum is σ = 6557831308. Its totient is φ = 6551249760.

The previous prime is 6554540501. The next prime is 6554540537. The reversal of 6554540533 is 3350454556.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5399016484 + 1155524049 = 73478^2 + 33993^2 .

It is a cyclic number.

It is not a de Polignac number, because 6554540533 - 2⁵ = 6554540501 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 (6554540537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642398 + ... + 1646383.

It is an arithmetic number, because the mean of its divisors is an integer number (1639457827).

Almost surely, 2^6554540533 is an apocalyptic number.

It is an amenable number.

6554540533 is a deficient number, since it is larger than the sum of its proper divisors (3290775).

6554540533 is a wasteful number, since it uses less digits than its factorization.

6554540533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290774.

The product of its (nonzero) digits is 540000, while the sum is 40.

The square root of 6554540533 is about 80960.1169280282. The cubic root of 6554540533 is about 1871.4608708034.

The spelling of 6554540533 in words is "six billion, five hundred fifty-four million, five hundred forty thousand, five hundred thirty-three".