55505050455 has 128 divisors (see below), whose sum is σ = 96806062080. Its totient is φ = 27072921600.

The previous prime is 55505050387. The next prime is 55505050477. The reversal of 55505050455 is 55405050555.

It is not a de Polignac number, because 55505050455 - 2⁷ = 55505050327 is a prime.

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 287590839 + ... + 287591031.

It is an arithmetic number, because the mean of its divisors is an integer number (756297360).

Almost surely, 2^55505050455 is an apocalyptic number.

55505050455 is a deficient number, since it is larger than the sum of its proper divisors (41301011625).

55505050455 is a wasteful number, since it uses less digits than its factorization.

55505050455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 312500, while the sum is 39.

The spelling of 55505050455 in words is "fifty-five billion, five hundred five million, fifty thousand, four hundred fifty-five".