6556505455 has 8 divisors (see below), whose sum is σ = 8139110400. Its totient is φ = 5064335136.

The previous prime is 6556505443. The next prime is 6556505471. The reversal of 6556505455 is 5545056556.

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 6556505455 - 2²⁵ = 6522951023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22608495 + ... + 22608784.

It is an arithmetic number, because the mean of its divisors is an integer number (1017388800).

Almost surely, 2^6556505455 is an apocalyptic number.

6556505455 is a deficient number, since it is larger than the sum of its proper divisors (1582604945).

6556505455 is a wasteful number, since it uses less digits than its factorization.

6556505455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45217313.

The product of its (nonzero) digits is 2250000, while the sum is 46.

The square root of 6556505455 is about 80972.2511419807. The cubic root of 6556505455 is about 1871.6478611409.

The spelling of 6556505455 in words is "six billion, five hundred fifty-six million, five hundred five thousand, four hundred fifty-five".