53440422521273 has 2 divisors, whose sum is σ = 53440422521274. Its totient is φ = 53440422521272.

The previous prime is 53440422521243. The next prime is 53440422521359. The reversal of 53440422521273 is 37212522404435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48353832430864 + 5086590090409 = 6953692^2 + 2255347^2 .

It is a cyclic number.

It is not a de Polignac number, because 53440422521273 - 2²² = 53440418326969 is a prime.

It is a super-2 number, since 2×53440422521273² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53440422521243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26720211260636 + 26720211260637.

It is an arithmetic number, because the mean of its divisors is an integer number (26720211260637).

Almost surely, 2^{53440422521273} is an apocalyptic number.

It is an amenable number.

53440422521273 is a deficient number, since it is larger than the sum of its proper divisors (1).

53440422521273 is an equidigital number, since it uses as much as digits as its factorization.

53440422521273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 44.

The spelling of 53440422521273 in words is "fifty-three trillion, four hundred forty billion, four hundred twenty-two million, five hundred twenty-one thousand, two hundred seventy-three".