53442522491 has 2 divisors, whose sum is σ = 53442522492. Its totient is φ = 53442522490.

The previous prime is 53442522473. The next prime is 53442522503. The reversal of 53442522491 is 19422524435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53442522491 - 2¹⁰ = 53442521467 is a prime.

It is a super-2 number, since 2×53442522491² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53442522421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26721261245 + 26721261246.

It is an arithmetic number, because the mean of its divisors is an integer number (26721261246).

Almost surely, 2^53442522491 is an apocalyptic number.

53442522491 is a deficient number, since it is larger than the sum of its proper divisors (1).

53442522491 is an equidigital number, since it uses as much as digits as its factorization.

53442522491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 41.

The spelling of 53442522491 in words is "fifty-three billion, four hundred forty-two million, five hundred twenty-two thousand, four hundred ninety-one".