30055055278 has 16 divisors (see below), whose sum is σ = 45726611616. Its totient is φ = 14813089920.

The previous prime is 30055055263. The next prime is 30055055287. The reversal of 30055055278 is 87255055003.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30055055278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197223 + ... + 314653.

It is an arithmetic number, because the mean of its divisors is an integer number (2857913226).

Almost surely, 2^30055055278 is an apocalyptic number.

30055055278 is a deficient number, since it is larger than the sum of its proper divisors (15671556338).

30055055278 is a wasteful number, since it uses less digits than its factorization.

30055055278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119259.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 30055055278 in words is "thirty billion, fifty-five million, fifty-five thousand, two hundred seventy-eight".