55255355244 has 18 divisors (see below), whose sum is σ = 139673259180. Its totient is φ = 18418451736.

The previous prime is 55255355237. The next prime is 55255355249. The reversal of 55255355244 is 44255355255.

55255355244 is a `hidden beast` number, since 5 + 5 + 2 + 5 + 53 + 552 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 55255355244.

It is not an unprimeable number, because it can be changed into a prime (55255355249) 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 5 ways as a sum of consecutive naturals, for example, 767435454 + ... + 767435525.

It is an arithmetic number, because the mean of its divisors is an integer number (7759625510).

Almost surely, 2^55255355244 is an apocalyptic number.

It is an amenable number.

55255355244 is an abundant number, since it is smaller than the sum of its proper divisors (84417903936).

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

55255355244 is a wasteful number, since it uses less digits than its factorization.

55255355244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534870989 (or 1534870984 counting only the distinct ones).

The product of its digits is 3000000, while the sum is 45.

The spelling of 55255355244 in words is "fifty-five billion, two hundred fifty-five million, three hundred fifty-five thousand, two hundred forty-four".