30494505555 has 12 divisors (see below), whose sum is σ = 52857143040. Its totient is φ = 16263736272.

The previous prime is 30494505551. The next prime is 30494505617. The reversal of 30494505555 is 55550549403.

30494505555 is a `hidden beast` number, since 3 + 0 + 4 + 94 + 5 + 0 + 5 + 555 = 666.

It is not a de Polignac number, because 30494505555 - 2² = 30494505551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 677655679 = 30494505555 / (3 + 0 + 4 + 9 + 4 + 5 + 0 + 5 + 5 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 30494505555.

It is not an unprimeable number, because it can be changed into a prime (30494505551) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 338827795 + ... + 338827884.

It is an arithmetic number, because the mean of its divisors is an integer number (4404761920).

Almost surely, 2^30494505555 is an apocalyptic number.

30494505555 is a deficient number, since it is larger than the sum of its proper divisors (22362637485).

30494505555 is a wasteful number, since it uses less digits than its factorization.

30494505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677655690 (or 677655687 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 30494505555 in words is "thirty billion, four hundred ninety-four million, five hundred five thousand, five hundred fifty-five".