53523340444340 has 48 divisors (see below), whose sum is σ = 121066816198608. Its totient is φ = 19758917520384.

The previous prime is 53523340444313. The next prime is 53523340444361. The reversal of 53523340444340 is 4344404332535.

It can be written as a sum of positive squares in 8 ways, for example, as 13195099840036 + 40328240604304 = 3632506^2 + 6350452^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53523340444291 and 53523340444300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17020337 + ... + 19918296.

It is an arithmetic number, because the mean of its divisors is an integer number (2522225337471).

Almost surely, 2^{53523340444340} is an apocalyptic number.

It is an amenable number.

53523340444340 is an abundant number, since it is smaller than the sum of its proper divisors (67543475754268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53523340444340 is a wasteful number, since it uses less digits than its factorization.

53523340444340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36944228 (or 36944226 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 44.

Adding to 53523340444340 its reverse (4344404332535), we get a palindrome (57867744776875).

The spelling of 53523340444340 in words is "fifty-three trillion, five hundred twenty-three billion, three hundred forty million, four hundred forty-four thousand, three hundred forty".