30585028057 has 4 divisors (see below), whose sum is σ = 30598617616. Its totient is φ = 30571438500.

The previous prime is 30585028039. The next prime is 30585028087. The reversal of 30585028057 is 75082058503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75082058503 = 3323 ⋅22594661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30585028057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30585028027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6791403 + ... + 6795904.

It is an arithmetic number, because the mean of its divisors is an integer number (7649654404).

Almost surely, 2^30585028057 is an apocalyptic number.

It is an amenable number.

30585028057 is a deficient number, since it is larger than the sum of its proper divisors (13589559).

30585028057 is a wasteful number, since it uses less digits than its factorization.

30585028057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13589558.

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 30585028057 in words is "thirty billion, five hundred eighty-five million, twenty-eight thousand, fifty-seven".