53355340333409 has 16 divisors (see below), whose sum is σ = 56995580193552. Its totient is φ = 49770871062528.

The previous prime is 53355340333397. The next prime is 53355340333433. The reversal of 53355340333409 is 90433304355335.

It can be written as a sum of positive squares in 8 ways, for example, as 1392824832400 + 51962515501009 = 1180180^2 + 7208503^2 .

It is a cyclic number.

It is not a de Polignac number, because 53355340333409 - 2⁴⁴ = 35763154288993 is a prime.

It is a super-2 number, since 2×53355340333409² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53355340333109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64969337 + ... + 65785449.

It is an arithmetic number, because the mean of its divisors is an integer number (3562223762097).

Almost surely, 2^{53355340333409} is an apocalyptic number.

It is an amenable number.

53355340333409 is a deficient number, since it is larger than the sum of its proper divisors (3640239860143).

53355340333409 is a wasteful number, since it uses less digits than its factorization.

53355340333409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850276.

The product of its (nonzero) digits is 13122000, while the sum is 50.

The spelling of 53355340333409 in words is "fifty-three trillion, three hundred fifty-five billion, three hundred forty million, three hundred thirty-three thousand, four hundred nine".