53450420350401 has 20 divisors (see below), whose sum is σ = 84542494935492. Its totient is φ = 33537518650368.

The previous prime is 53450420350321. The next prime is 53450420350403. The reversal of 53450420350401 is 10405302405435.

53450420350401 is a `hidden beast` number, since 5 + 3 + 45 + 0 + 4 + 203 + 5 + 0 + 401 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28508936069376 + 24941484281025 = 5339376^2 + 4994145^2 .

It is not a de Polignac number, because 53450420350401 - 2⁹ = 53450420349889 is a prime.

It is a super-2 number, since 2×53450420350401² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53450420350403) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19408284880 + ... + 19408287633.

Almost surely, 2^{53450420350401} is an apocalyptic number.

53450420350401 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

53450420350401 is a deficient number, since it is larger than the sum of its proper divisors (31092074585091).

53450420350401 is a wasteful number, since it uses less digits than its factorization.

53450420350401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38816572542 (or 38816572533 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 53450420350401 its reverse (10405302405435), we get a palindrome (63855722755836).

The spelling of 53450420350401 in words is "fifty-three trillion, four hundred fifty billion, four hundred twenty million, three hundred fifty thousand, four hundred one".