30055552550 has 48 divisors (see below), whose sum is σ = 56253096000. Its totient is φ = 11947219200.

The previous prime is 30055552531. The next prime is 30055552561. The reversal of 30055552550 is 5525555003.

It is a self number, because there is not a number n which added to its sum of digits gives 30055552550.

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, 6462626 + ... + 6467274.

It is an arithmetic number, because the mean of its divisors is an integer number (1171939500).

Almost surely, 2^30055552550 is an apocalyptic number.

30055552550 is a deficient number, since it is larger than the sum of its proper divisors (26197543450).

30055552550 is a wasteful number, since it uses less digits than its factorization.

30055552550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441 (or 5436 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 35.

It can be divided in two parts, 3005 and 5552550, that added together give a palindrome (5555555).

The spelling of 30055552550 in words is "thirty billion, fifty-five million, five hundred fifty-two thousand, five hundred fifty".