54463994550 has 144 divisors (see below), whose sum is σ = 172625236992. Its totient is φ = 12047313600.

The previous prime is 54463994527. The next prime is 54463994569. The reversal of 54463994550 is 5549936445.

54463994550 is a `hidden beast` number, since 5 + 4 + 463 + 99 + 45 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 181224 + ... + 376523.

It is an arithmetic number, because the mean of its divisors is an integer number (1198786368).

Almost surely, 2^54463994550 is an apocalyptic number.

54463994550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54463994550 is an abundant number, since it is smaller than the sum of its proper divisors (118161242442).

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

54463994550 is a wasteful number, since it uses less digits than its factorization.

54463994550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557803 (or 557795 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 54463994550 in words is "fifty-four billion, four hundred sixty-three million, nine hundred ninety-four thousand, five hundred fifty".