55351913449344 has 32 divisors (see below), whose sum is σ = 147028520100840. Its totient is φ = 18450637816320.

The previous prime is 55351913449307. The next prime is 55351913449361. The reversal of 55351913449344 is 44394431915355.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72072803587 + ... + 72072804354.

Almost surely, 2^{55351913449344} is an apocalyptic number.

It is an amenable number.

55351913449344 is an abundant number, since it is smaller than the sum of its proper divisors (91676606651496).

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

55351913449344 is a wasteful number, since it uses less digits than its factorization.

55351913449344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144145607958 (or 144145607946 counting only the distinct ones).

The product of its digits is 69984000, while the sum is 60.

The spelling of 55351913449344 in words is "fifty-five trillion, three hundred fifty-one billion, nine hundred thirteen million, four hundred forty-nine thousand, three hundred forty-four".