28533514057 has 2 divisors, whose sum is σ = 28533514058. Its totient is φ = 28533514056.

The previous prime is 28533514039. The next prime is 28533514063. The reversal of 28533514057 is 75041533582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23026241536 + 5507272521 = 151744^2 + 74211^2 .

It is a cyclic number.

It is not a de Polignac number, because 28533514057 - 2¹⁹ = 28532989769 is a prime.

It is a super-2 number, since 2×28533514057² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28533514007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14266757028 + 14266757029.

It is an arithmetic number, because the mean of its divisors is an integer number (14266757029).

Almost surely, 2^28533514057 is an apocalyptic number.

It is an amenable number.

28533514057 is a deficient number, since it is larger than the sum of its proper divisors (1).

28533514057 is an equidigital number, since it uses as much as digits as its factorization.

28533514057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 28533514057 in words is "twenty-eight billion, five hundred thirty-three million, five hundred fourteen thousand, fifty-seven".