28806053 has 2 divisors, whose sum is σ = 28806054. Its totient is φ = 28806052.

The previous prime is 28805999. The next prime is 28806059. The reversal of 28806053 is 35060882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25573249 + 3232804 = 5057^2 + 1798^2 .

It is a cyclic number.

It is not a de Polignac number, because 28806053 - 2⁶ = 28805989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28806059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14403026 + 14403027.

It is an arithmetic number, because the mean of its divisors is an integer number (14403027).

Almost surely, 2^28806053 is an apocalyptic number.

It is an amenable number.

28806053 is a deficient number, since it is larger than the sum of its proper divisors (1).

28806053 is an equidigital number, since it uses as much as digits as its factorization.

28806053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 28806053 is about 5367.1270713483. The cubic root of 28806053 is about 306.5452458559.

The spelling of 28806053 in words is "twenty-eight million, eight hundred six thousand, fifty-three".