53511504404213 has 8 divisors (see below), whose sum is σ = 56863785955032. Its totient is φ = 50181950186496.

The previous prime is 53511504404201. The next prime is 53511504404227. The reversal of 53511504404213 is 31240440511535.

It can be written as a sum of positive squares in 4 ways, for example, as 1066359826609 + 52445144577604 = 1032647^2 + 7241902^2 .

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 53511504404213 - 2³⁰ = 53510430662389 is a prime.

It is a super-2 number, since 2×53511504404213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53511504404263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5681828420 + ... + 5681837837.

It is an arithmetic number, because the mean of its divisors is an integer number (7107973244379).

Almost surely, 2^{53511504404213} is an apocalyptic number.

It is an amenable number.

53511504404213 is a deficient number, since it is larger than the sum of its proper divisors (3352281550819).

53511504404213 is a wasteful number, since it uses less digits than its factorization.

53511504404213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363666551.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 53511504404213 its reverse (31240440511535), we get a palindrome (84751944915748).

The spelling of 53511504404213 in words is "fifty-three trillion, five hundred eleven billion, five hundred four million, four hundred four thousand, two hundred thirteen".