55244501280 has 120 divisors (see below), whose sum is σ = 194967098172. Its totient is φ = 14731863552.

The previous prime is 55244501239. The next prime is 55244501309. The reversal of 55244501280 is 8210544255.

55244501280 is a `hidden beast` number, since 5 + 524 + 4 + 5 + 0 + 128 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50965771536 + 4278729744 = 225756^2 + 65412^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2118387 + ... + 2144306.

Almost surely, 2^55244501280 is an apocalyptic number.

It is an amenable number.

55244501280 is an abundant number, since it is smaller than the sum of its proper divisors (139722596892).

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

55244501280 is a wasteful number, since it uses less digits than its factorization.

55244501280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262720 (or 4262703 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 55244501280 in words is "fifty-five billion, two hundred forty-four million, five hundred one thousand, two hundred eighty".