30052780057 has 2 divisors, whose sum is σ = 30052780058. Its totient is φ = 30052780056.

The previous prime is 30052780049. The next prime is 30052780061. The reversal of 30052780057 is 75008725003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27384954256 + 2667825801 = 165484^2 + 51651^2 .

It is a cyclic number.

It is not a de Polignac number, because 30052780057 - 2³ = 30052780049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30052779998 and 30052780025.

It is not a weakly prime, because it can be changed into another prime (30052780097) 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 as a sum of consecutive naturals, namely, 15026390028 + 15026390029.

It is an arithmetic number, because the mean of its divisors is an integer number (15026390029).

Almost surely, 2^30052780057 is an apocalyptic number.

It is an amenable number.

30052780057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30052780057 is an equidigital number, since it uses as much as digits as its factorization.

30052780057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 30052780057 in words is "thirty billion, fifty-two million, seven hundred eighty thousand, fifty-seven".