53581284387480 has 128 divisors (see below), whose sum is σ = 166290510643200. Its totient is φ = 13795328601600.

The previous prime is 53581284387427. The next prime is 53581284387481. The reversal of 53581284387480 is 8478348218535.

53581284387480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53581284387480² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53581284387481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180362665 + ... + 180659495.

It is an arithmetic number, because the mean of its divisors is an integer number (1299144614400).

Almost surely, 2^{53581284387480} is an apocalyptic number.

It is an amenable number.

53581284387480 is an abundant number, since it is smaller than the sum of its proper divisors (112709226255720).

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

53581284387480 is a wasteful number, since it uses less digits than its factorization.

53581284387480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348745 (or 348741 counting only the distinct ones).

The product of its (nonzero) digits is 206438400, while the sum is 66.

The spelling of 53581284387480 in words is "fifty-three trillion, five hundred eighty-one billion, two hundred eighty-four million, three hundred eighty-seven thousand, four hundred eighty".