6545405755 has 8 divisors (see below), whose sum is σ = 8976556512. Its totient is φ = 4488278208.

The previous prime is 6545405729. The next prime is 6545405759. The reversal of 6545405755 is 5575045456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6545405755 - 2¹¹ = 6545403707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6545405759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93505762 + ... + 93505831.

It is an arithmetic number, because the mean of its divisors is an integer number (1122069564).

Almost surely, 2^6545405755 is an apocalyptic number.

6545405755 is a deficient number, since it is larger than the sum of its proper divisors (2431150757).

6545405755 is a wasteful number, since it uses less digits than its factorization.

6545405755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187011605.

The product of its (nonzero) digits is 2100000, while the sum is 46.

The square root of 6545405755 is about 80903.6819619478. The cubic root of 6545405755 is about 1870.5910754122.

The spelling of 6545405755 in words is "six billion, five hundred forty-five million, four hundred five thousand, seven hundred fifty-five".