30252800557 has 6 divisors (see below), whose sum is σ = 35192033358. Its totient is φ = 25930971864.

The previous prime is 30252800537. The next prime is 30252800569. The reversal of 30252800557 is 75500825203.

It can be written as a sum of positive squares in only one way, i.e., 29660072841 + 592727716 = 172221^2 + 24346^2 .

It is not a de Polignac number, because 30252800557 - 2¹⁵ = 30252767789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30252800507) 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 5 ways as a sum of consecutive naturals, for example, 308701998 + ... + 308702095.

It is an arithmetic number, because the mean of its divisors is an integer number (5865338893).

Almost surely, 2^30252800557 is an apocalyptic number.

It is an amenable number.

30252800557 is a deficient number, since it is larger than the sum of its proper divisors (4939232801).

30252800557 is an equidigital number, since it uses as much as digits as its factorization.

30252800557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617404107 (or 617404100 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 30252800557 in words is "thirty billion, two hundred fifty-two million, eight hundred thousand, five hundred fifty-seven".