55404532453 has 2 divisors, whose sum is σ = 55404532454. Its totient is φ = 55404532452.

The previous prime is 55404532429. The next prime is 55404532529. The reversal of 55404532453 is 35423540455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52467109249 + 2937423204 = 229057^2 + 54198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55404532453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55404532853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27702266226 + 27702266227.

It is an arithmetic number, because the mean of its divisors is an integer number (27702266227).

Almost surely, 2^55404532453 is an apocalyptic number.

It is an amenable number.

55404532453 is a deficient number, since it is larger than the sum of its proper divisors (1).

55404532453 is an equidigital number, since it uses as much as digits as its factorization.

55404532453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 40.

The spelling of 55404532453 in words is "fifty-five billion, four hundred four million, five hundred thirty-two thousand, four hundred fifty-three".