55450266205455 has 192 divisors, whose sum is σ = 114636578918400. Its totient is φ = 25340661561600.

The previous prime is 55450266205447. The next prime is 55450266205457.

It is a happy number.

55450266205455 is a `hidden beast` number, since 5 + 5 + 4 + 5 + 0 + 2 + 6 + 620 + 5 + 4 + 5 + 5 = 666.

55450266205455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55450266205455 - 2³ = 55450266205447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55450266205457) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 60688450 + ... + 61595360.

It is an arithmetic number, because the mean of its divisors is an integer number (597065515200).

Almost surely, 2^{55450266205455} is an apocalyptic number.

55450266205455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55450266205455 is an abundant number, since it is smaller than the sum of its proper divisors (59186312712945).

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

55450266205455 is a wasteful number, since it uses less digits than its factorization.

55450266205455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907163 (or 907146 counting only the distinct ones).

The product of its (nonzero) digits is 36000000, while the sum is 54.

The spelling of 55450266205455 in words is "fifty-five trillion, four hundred fifty billion, two hundred sixty-six million, two hundred five thousand, four hundred fifty-five".