30500505255550 has 48 divisors (see below), whose sum is σ = 62501053475664. Its totient is φ = 10981280000000.

The previous prime is 30500505255533. The next prime is 30500505255587. The reversal of 30500505255550 is 5555250500503.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274476451 + ... + 274587550.

It is an arithmetic number, because the mean of its divisors is an integer number (1302105280743).

Almost surely, 2^{30500505255550} is an apocalyptic number.

30500505255550 is an abundant number, since it is smaller than the sum of its proper divisors (32000548220114).

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

30500505255550 is a wasteful number, since it uses less digits than its factorization.

30500505255550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549064125 (or 549064120 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 30500505255550 in words is "thirty trillion, five hundred billion, five hundred five million, two hundred fifty-five thousand, five hundred fifty".