55505055546 has 16 divisors (see below), whose sum is σ = 123344568000. Its totient is φ = 18501685164.

The previous prime is 55505055533. The next prime is 55505055581. The reversal of 55505055546 is 64555050555.

55505055546 is a `hidden beast` number, since 5 + 5 + 5 + 0 + 50 + 55 + 546 = 666.

It is a super-2 number, since 2×55505055546² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 513935646 + ... + 513935753.

It is an arithmetic number, because the mean of its divisors is an integer number (7709035500).

Almost surely, 2^55505055546 is an apocalyptic number.

55505055546 is an abundant number, since it is smaller than the sum of its proper divisors (67839512454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55505055546 is a wasteful number, since it uses less digits than its factorization.

55505055546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027871410 (or 1027871404 counting only the distinct ones).

The product of its (nonzero) digits is 1875000, while the sum is 45.

The spelling of 55505055546 in words is "fifty-five billion, five hundred five million, fifty-five thousand, five hundred forty-six".