53553430015321 has 2 divisors, whose sum is σ = 53553430015322. Its totient is φ = 53553430015320.

The previous prime is 53553430015313. The next prime is 53553430015343. The reversal of 53553430015321 is 12351003435535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34265347102921 + 19288082912400 = 5853661^2 + 4391820^2 .

It is a cyclic number.

It is not a de Polignac number, because 53553430015321 - 2³ = 53553430015313 is a prime.

It is not a weakly prime, because it can be changed into another prime (53553430015381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26776715007660 + 26776715007661.

It is an arithmetic number, because the mean of its divisors is an integer number (26776715007661).

Almost surely, 2^{53553430015321} is an apocalyptic number.

It is an amenable number.

53553430015321 is a deficient number, since it is larger than the sum of its proper divisors (1).

53553430015321 is an equidigital number, since it uses as much as digits as its factorization.

53553430015321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405000, while the sum is 40.

The spelling of 53553430015321 in words is "fifty-three trillion, five hundred fifty-three billion, four hundred thirty million, fifteen thousand, three hundred twenty-one".