54543551500 has 48 divisors (see below), whose sum is σ = 119149823520. Its totient is φ = 21812529600.

The previous prime is 54543551497. The next prime is 54543551501. The reversal of 54543551500 is 515534545.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 54543551500.

It is not an unprimeable number, because it can be changed into a prime (54543551501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925207 + ... + 2943793.

It is an arithmetic number, because the mean of its divisors is an integer number (2482287990).

Almost surely, 2^54543551500 is an apocalyptic number.

54543551500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54543551500 is an abundant number, since it is smaller than the sum of its proper divisors (64606272020).

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

54543551500 is a wasteful number, since it uses less digits than its factorization.

54543551500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24475 (or 24463 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 54543551500 in words is "fifty-four billion, five hundred forty-three million, five hundred fifty-one thousand, five hundred".