55242775584 has 144 divisors (see below), whose sum is σ = 169580174400. Its totient is φ = 17006212608.

The previous prime is 55242775583. The next prime is 55242775603. The reversal of 55242775584 is 48557724255.

It is a happy number.

55242775584 is a `hidden beast` number, since 5 + 52 + 4 + 2 + 7 + 7 + 5 + 584 = 666.

55242775584 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×55242775584³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55242775584.

It is not an unprimeable number, because it can be changed into a prime (55242775583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48307 + ... + 335885.

It is an arithmetic number, because the mean of its divisors is an integer number (1177640100).

Almost surely, 2^55242775584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55242775584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84790087200).

55242775584 is an abundant number, since it is smaller than the sum of its proper divisors (114337398816).

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

55242775584 is a wasteful number, since it uses less digits than its factorization.

55242775584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287647 (or 287636 counting only the distinct ones).

The product of its digits is 15680000, while the sum is 54.

The spelling of 55242775584 in words is "fifty-five billion, two hundred forty-two million, seven hundred seventy-five thousand, five hundred eighty-four".