55534140432512 has 64 divisors (see below), whose sum is σ = 133094039611200. Its totient is φ = 22547696108544.

The previous prime is 55534140432509. The next prime is 55534140432521. The reversal of 55534140432512 is 21523404143555.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631037383 + ... + 1631071430.

It is an arithmetic number, because the mean of its divisors is an integer number (2079594368925).

Almost surely, 2^{55534140432512} is an apocalyptic number.

It is an amenable number.

55534140432512 is an abundant number, since it is smaller than the sum of its proper divisors (77559899178688).

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

55534140432512 is a wasteful number, since it uses less digits than its factorization.

55534140432512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262108853 (or 3262108841 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 55534140432512 in words is "fifty-five trillion, five hundred thirty-four billion, one hundred forty million, four hundred thirty-two thousand, five hundred twelve".