30000050550 has 108 divisors (see below), whose sum is σ = 82616023620. Its totient is φ = 7804694400.

The previous prime is 30000050537. The next prime is 30000050573. The reversal of 30000050550 is 5505000003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 736621 + ... + 776279.

Almost surely, 2^30000050550 is an apocalyptic number.

30000050550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30000050550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41308011810).

30000050550 is an abundant number, since it is smaller than the sum of its proper divisors (52615973070).

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

30000050550 is a wasteful number, since it uses less digits than its factorization.

30000050550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39759 (or 39710 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

Adding to 30000050550 its reverse (5505000003), we get a palindrome (35505050553).

The spelling of 30000050550 in words is "thirty billion, fifty thousand, five hundred fifty".