55545654555 has 16 divisors (see below), whose sum is σ = 98747830560. Its totient is φ = 29624349024.

The previous prime is 55545654553. The next prime is 55545654611.

55545654555 is a `hidden beast` number, since 5 + 5 + 5 + 45 + 6 + 545 + 55 = 666.

55545654555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55545654555 - 2¹ = 55545654553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55545654553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205724512 + ... + 205724781.

It is an arithmetic number, because the mean of its divisors is an integer number (6171739410).

Almost surely, 2^55545654555 is an apocalyptic number.

55545654555 is a deficient number, since it is larger than the sum of its proper divisors (43202176005).

55545654555 is a wasteful number, since it uses less digits than its factorization.

55545654555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411449307 (or 411449301 counting only the distinct ones).

The product of its digits is 37500000, while the sum is 54.

The spelling of 55545654555 in words is "fifty-five billion, five hundred forty-five million, six hundred fifty-four thousand, five hundred fifty-five".