55249894255 has 16 divisors (see below), whose sum is σ = 68988081024. Its totient is φ = 42443265280.

The previous prime is 55249894253. The next prime is 55249894267.

55249894255 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55249894255 - 2¹ = 55249894253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55249894255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55249894253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2205526 + ... + 2230435.

It is an arithmetic number, because the mean of its divisors is an integer number (4311755064).

Almost surely, 2^55249894255 is an apocalyptic number.

55249894255 is a deficient number, since it is larger than the sum of its proper divisors (13738186769).

55249894255 is a wasteful number, since it uses less digits than its factorization.

55249894255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436066.

The product of its digits is 25920000, while the sum is 58.

The spelling of 55249894255 in words is "fifty-five billion, two hundred forty-nine million, eight hundred ninety-four thousand, two hundred fifty-five".