53128853 has 2 divisors, whose sum is σ = 53128854. Its totient is φ = 53128852.

The previous prime is 53128849. The next prime is 53128903. The reversal of 53128853 is 35882135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52896529 + 232324 = 7273^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 53128853 - 2² = 53128849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53124853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26564426 + 26564427.

It is an arithmetic number, because the mean of its divisors is an integer number (26564427).

Almost surely, 2^53128853 is an apocalyptic number.

It is an amenable number.

53128853 is a deficient number, since it is larger than the sum of its proper divisors (1).

53128853 is an equidigital number, since it uses as much as digits as its factorization.

53128853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 53128853 is about 7288.9541773837. The cubic root of 53128853 is about 375.9327370437.

The spelling of 53128853 in words is "fifty-three million, one hundred twenty-eight thousand, eight hundred fifty-three".