53405305054345 has 8 divisors (see below), whose sum is σ = 64653502048776. Its totient is φ = 42346153387776.

The previous prime is 53405305054327. The next prime is 53405305054351. The reversal of 53405305054345 is 54345050350435.

It can be written as a sum of positive squares in 4 ways, for example, as 7074466885369 + 46330838168976 = 2659787^2 + 6806676^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53405305054345 - 2¹⁷ = 53405304923273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53405305054295 and 53405305054304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47261331342 + ... + 47261332471.

It is an arithmetic number, because the mean of its divisors is an integer number (8081687756097).

Almost surely, 2^{53405305054345} is an apocalyptic number.

It is an amenable number.

53405305054345 is a deficient number, since it is larger than the sum of its proper divisors (11248196994431).

53405305054345 is a wasteful number, since it uses less digits than its factorization.

53405305054345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94522663931.

The product of its (nonzero) digits is 5400000, while the sum is 46.

The spelling of 53405305054345 in words is "fifty-three trillion, four hundred five billion, three hundred five million, fifty-four thousand, three hundred forty-five".