30502800255550 has 24 divisors (see below), whose sum is σ = 64840238258256. Its totient is φ = 10458102944640.

The previous prime is 30502800255491. The next prime is 30502800255583. The reversal of 30502800255550 is 5555200820503.

It is a super-2 number, since 2×30502800255550² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43575428587 + ... + 43575429286.

It is an arithmetic number, because the mean of its divisors is an integer number (2701676594094).

Almost surely, 2^{30502800255550} is an apocalyptic number.

30502800255550 is an abundant number, since it is smaller than the sum of its proper divisors (34337438002706).

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

30502800255550 is a wasteful number, since it uses less digits than its factorization.

30502800255550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87150857892 (or 87150857887 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 30502800255550 in words is "thirty trillion, five hundred two billion, eight hundred million, two hundred fifty-five thousand, five hundred fifty".