53520321255451 has 2 divisors, whose sum is σ = 53520321255452. Its totient is φ = 53520321255450.

The previous prime is 53520321255403. The next prime is 53520321255529. The reversal of 53520321255451 is 15455212302535.

53520321255451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53520321255451 - 2²³ = 53520312866843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53520321255398 and 53520321255407.

It is not a weakly prime, because it can be changed into another prime (53520321255251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760160627725 + 26760160627726.

It is an arithmetic number, because the mean of its divisors is an integer number (26760160627726).

Almost surely, 2^{53520321255451} is an apocalyptic number.

53520321255451 is a deficient number, since it is larger than the sum of its proper divisors (1).

53520321255451 is an equidigital number, since it uses as much as digits as its factorization.

53520321255451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900000, while the sum is 43.

Adding to 53520321255451 its reverse (15455212302535), we get a palindrome (68975533557986).

The spelling of 53520321255451 in words is "fifty-three trillion, five hundred twenty billion, three hundred twenty-one million, two hundred fifty-five thousand, four hundred fifty-one".