53439053 has 2 divisors, whose sum is σ = 53439054. Its totient is φ = 53439052.

The previous prime is 53439049. The next prime is 53439059. The reversal of 53439053 is 35093435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40921609 + 12517444 = 6397^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 53439053 - 2² = 53439049 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53439059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26719526 + 26719527.

It is an arithmetic number, because the mean of its divisors is an integer number (26719527).

Almost surely, 2^53439053 is an apocalyptic number.

It is an amenable number.

53439053 is a deficient number, since it is larger than the sum of its proper divisors (1).

53439053 is an equidigital number, since it uses as much as digits as its factorization.

53439053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 53439053 is about 7310.2019807937. The cubic root of 53439053 is about 376.6629624334.

The spelling of 53439053 in words is "fifty-three million, four hundred thirty-nine thousand, fifty-three".