54550719516 has 12 divisors (see below), whose sum is σ = 127285012232. Its totient is φ = 18183573168.

The previous prime is 54550719511. The next prime is 54550719539. The reversal of 54550719516 is 61591705545.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54550719511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2272946635 + ... + 2272946658.

Almost surely, 2^54550719516 is an apocalyptic number.

It is an amenable number.

54550719516 is an abundant number, since it is smaller than the sum of its proper divisors (72734292716).

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

54550719516 is a wasteful number, since it uses less digits than its factorization.

54550719516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545893300 (or 4545893298 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 48.

The spelling of 54550719516 in words is "fifty-four billion, five hundred fifty million, seven hundred nineteen thousand, five hundred sixteen".