30555255053 has 4 divisors (see below), whose sum is σ = 30568047420. Its totient is φ = 30542462688.

The previous prime is 30555255037. The next prime is 30555255079. The reversal of 30555255053 is 35055255503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35055255503 = 71 ⋅493735993.

It can be written as a sum of positive squares in 2 ways, for example, as 10866394564 + 19688860489 = 104242^2 + 140317^2 .

It is a cyclic number.

It is not a de Polignac number, because 30555255053 - 2⁴ = 30555255037 is a prime.

It is a super-2 number, since 2×30555255053² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30555254998 and 30555255016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30555255253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6392600 + ... + 6397377.

It is an arithmetic number, because the mean of its divisors is an integer number (7642011855).

Almost surely, 2^30555255053 is an apocalyptic number.

It is an amenable number.

30555255053 is a deficient number, since it is larger than the sum of its proper divisors (12792367).

30555255053 is a wasteful number, since it uses less digits than its factorization.

30555255053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12792366.

The product of its (nonzero) digits is 281250, while the sum is 38.

The spelling of 30555255053 in words is "thirty billion, five hundred fifty-five million, two hundred fifty-five thousand, fifty-three".