30455553321 has 48 divisors (see below), whose sum is σ = 47223633600. Its totient is φ = 18856043136.

The previous prime is 30455553319. The next prime is 30455553371. The reversal of 30455553321 is 12335555403.

30455553321 is a `hidden beast` number, since 30 + 4 + 55 + 553 + 3 + 21 = 666.

It is not a de Polignac number, because 30455553321 - 2¹ = 30455553319 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30455553311) 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 47 ways as a sum of consecutive naturals, for example, 3759151 + ... + 3767243.

It is an arithmetic number, because the mean of its divisors is an integer number (983825700).

Almost surely, 2^30455553321 is an apocalyptic number.

It is an amenable number.

30455553321 is a deficient number, since it is larger than the sum of its proper divisors (16768080279).

30455553321 is a wasteful number, since it uses less digits than its factorization.

30455553321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8550 (or 8547 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 30455553321 in words is "thirty billion, four hundred fifty-five million, five hundred fifty-three thousand, three hundred twenty-one".