542545521500 has 48 divisors (see below), whose sum is σ = 1185010147776. Its totient is φ = 217001592000.

The previous prime is 542545521499. The next prime is 542545521521. The reversal of 542545521500 is 5125545245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8082074 + ... + 8148926.

It is an arithmetic number, because the mean of its divisors is an integer number (24687711412).

Almost surely, 2^542545521500 is an apocalyptic number.

542545521500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

542545521500 is an abundant number, since it is smaller than the sum of its proper divisors (642464626276).

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

542545521500 is a wasteful number, since it uses less digits than its factorization.

542545521500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83103 (or 83091 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 542545521500 in words is "five hundred forty-two billion, five hundred forty-five million, five hundred twenty-one thousand, five hundred".