55571543348808 has 32 divisors (see below), whose sum is σ = 139036471817760. Its totient is φ = 18509499323520.

The previous prime is 55571543348807. The next prime is 55571543348809. The reversal of 55571543348808 is 80884334517555.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55571543348807) and next prime (55571543348809).

It is not an unprimeable number, because it can be changed into a prime (55571543348807) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 896747085 + ... + 896809052.

It is an arithmetic number, because the mean of its divisors is an integer number (4344889744305).

Almost surely, 2^{55571543348808} is an apocalyptic number.

It is an amenable number.

55571543348808 is an abundant number, since it is smaller than the sum of its proper divisors (83464928468952).

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

55571543348808 is a wasteful number, since it uses less digits than its factorization.

55571543348808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793557437 (or 1793557433 counting only the distinct ones).

The product of its (nonzero) digits is 322560000, while the sum is 66.

The spelling of 55571543348808 in words is "fifty-five trillion, five hundred seventy-one billion, five hundred forty-three million, three hundred forty-eight thousand, eight hundred eight".