53113445453 has 2 divisors, whose sum is σ = 53113445454. Its totient is φ = 53113445452.

The previous prime is 53113445401. The next prime is 53113445477. The reversal of 53113445453 is 35454431135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46413531844 + 6699913609 = 215438^2 + 81853^2 .

It is a cyclic number.

It is not a de Polignac number, because 53113445453 - 2¹⁸ = 53113183309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53113445153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26556722726 + 26556722727.

It is an arithmetic number, because the mean of its divisors is an integer number (26556722727).

Almost surely, 2^53113445453 is an apocalyptic number.

It is an amenable number.

53113445453 is a deficient number, since it is larger than the sum of its proper divisors (1).

53113445453 is an equidigital number, since it uses as much as digits as its factorization.

53113445453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 38.

Adding to 53113445453 its reverse (35454431135), we get a palindrome (88567876588).

The spelling of 53113445453 in words is "fifty-three billion, one hundred thirteen million, four hundred forty-five thousand, four hundred fifty-three".