55245216960 has 84 divisors (see below), whose sum is σ = 190020537408. Its totient is φ = 14732057088.

The previous prime is 55245216953. The next prime is 55245217009. The reversal of 55245216960 is 6961254255.

55245216960 is a `hidden beast` number, since 5 + 5 + 2 + 4 + 521 + 69 + 60 = 666.

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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9588304 + ... + 9594063.

Almost surely, 2^55245216960 is an apocalyptic number.

It is an amenable number.

55245216960 is an abundant number, since it is smaller than the sum of its proper divisors (134775320448).

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

55245216960 is a wasteful number, since it uses less digits than its factorization.

55245216960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19182390 (or 19182377 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 55245216960 in words is "fifty-five billion, two hundred forty-five million, two hundred sixteen thousand, nine hundred sixty".