30305250550 has 24 divisors (see below), whose sum is σ = 56592362232. Its totient is φ = 12073800000.

The previous prime is 30305250541. The next prime is 30305250571. The reversal of 30305250550 is 5505250303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1194831 + ... + 1219930.

It is an arithmetic number, because the mean of its divisors is an integer number (2358015093).

Almost surely, 2^30305250550 is an apocalyptic number.

30305250550 is a deficient number, since it is larger than the sum of its proper divisors (26287111682).

30305250550 is a wasteful number, since it uses less digits than its factorization.

30305250550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415024 (or 2415019 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 28.

The spelling of 30305250550 in words is "thirty billion, three hundred five million, two hundred fifty thousand, five hundred fifty".