53185085441 has 8 divisors (see below), whose sum is σ = 53467291944. Its totient is φ = 52903002880.

The previous prime is 53185085423. The next prime is 53185085453. The reversal of 53185085441 is 14458058135.

It can be written as a sum of positive squares in 4 ways, for example, as 11389371841 + 41795713600 = 106721^2 + 204440^2 .

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 53185085441 - 2¹⁰ = 53185084417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53185085392 and 53185085401.

It is not an unprimeable number, because it can be changed into a prime (53185085341) 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, 903881 + ... + 960921.

It is an arithmetic number, because the mean of its divisors is an integer number (6683411493).

It is a Proth number, since it is equal to 202885 ⋅ 2¹⁸ + 1 and 202885 < 2¹⁸.

Almost surely, 2^53185085441 is an apocalyptic number.

It is an amenable number.

53185085441 is a deficient number, since it is larger than the sum of its proper divisors (282206503).

53185085441 is a wasteful number, since it uses less digits than its factorization.

53185085441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61971.

The product of its (nonzero) digits is 384000, while the sum is 44.

The spelling of 53185085441 in words is "fifty-three billion, one hundred eighty-five million, eighty-five thousand, four hundred forty-one".