55049287584 has 48 divisors (see below), whose sum is σ = 149487297120. Its totient is φ = 17717011200.

The previous prime is 55049287583. The next prime is 55049287589. The reversal of 55049287584 is 48578294055.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (55049287583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9883942 + ... + 9889509.

It is an arithmetic number, because the mean of its divisors is an integer number (3114318690).

Almost surely, 2^55049287584 is an apocalyptic number.

It is an amenable number.

55049287584 is an abundant number, since it is smaller than the sum of its proper divisors (94438009536).

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

55049287584 is a wasteful number, since it uses less digits than its factorization.

55049287584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19773493 (or 19773485 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 55049287584 in words is "fifty-five billion, forty-nine million, two hundred eighty-seven thousand, five hundred eighty-four".