55286907540480 has 3520 divisors, whose sum is σ = 255517872192000. Its totient is φ = 11330495447040.

The previous prime is 55286907540437. The next prime is 55286907540499. The reversal of 55286907540480 is 8404570968255.

55286907540480 is a `hidden beast` number, since 5 + 5 + 2 + 8 + 6 + 9 + 0 + 7 + 540 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (3520).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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 319 ways as a sum of consecutive naturals, for example, 139261731642 + ... + 139261732038.

It is an arithmetic number, because the mean of its divisors is an integer number (72590304600).

Almost surely, 2^{55286907540480} 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 55286907540480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127758936096000).

55286907540480 is an abundant number, since it is smaller than the sum of its proper divisors (200230964651520).

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

55286907540480 is a wasteful number, since it uses less digits than its factorization.

55286907540480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 63.

The spelling of 55286907540480 in words is "fifty-five trillion, two hundred eighty-six billion, nine hundred seven million, five hundred forty thousand, four hundred eighty".