55246217760 has 144 divisors (see below), whose sum is σ = 188589000600. Its totient is φ = 14727536640.

The previous prime is 55246217737. The next prime is 55246217771. The reversal of 55246217760 is 6771264255.

55246217760 is a `hidden beast` number, since 5 + 524 + 62 + 1 + 7 + 7 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 48208350096 + 7037867664 = 219564^2 + 83892^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7946766 + ... + 7953714.

Almost surely, 2^55246217760 is an apocalyptic number.

It is an amenable number.

55246217760 is an abundant number, since it is smaller than the sum of its proper divisors (133342782840).

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

55246217760 is a wasteful number, since it uses less digits than its factorization.

55246217760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12491 (or 12480 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 55246217760 in words is "fifty-five billion, two hundred forty-six million, two hundred seventeen thousand, seven hundred sixty".