30055021529 has 16 divisors (see below), whose sum is σ = 32498186112. Its totient is φ = 27630764928.

The previous prime is 30055021511. The next prime is 30055021547. The reversal of 30055021529 is 92512055003.

It is an interprime number because it is at equal distance from previous prime (30055021511) and next prime (30055021547).

It is a de Polignac number, because none of the positive numbers 2^k-30055021529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30055021495 and 30055021504.

It is not an unprimeable number, because it can be changed into a prime (30055011529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6276074 + ... + 6280860.

It is an arithmetic number, because the mean of its divisors is an integer number (2031136632).

Almost surely, 2^30055021529 is an apocalyptic number.

It is an amenable number.

30055021529 is a deficient number, since it is larger than the sum of its proper divisors (2443164583).

30055021529 is a wasteful number, since it uses less digits than its factorization.

30055021529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656.

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 30055021529 in words is "thirty billion, fifty-five million, twenty-one thousand, five hundred twenty-nine".