53003612310261 has 4 divisors (see below), whose sum is σ = 70671483080352. Its totient is φ = 35335741540172.

The previous prime is 53003612310217. The next prime is 53003612310277. The reversal of 53003612310261 is 16201321630035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53003612310261 - 2⁴² = 48605565799157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53003612310281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8833935385041 + ... + 8833935385046.

It is an arithmetic number, because the mean of its divisors is an integer number (17667870770088).

Almost surely, 2^{53003612310261} is an apocalyptic number.

It is an amenable number.

53003612310261 is a deficient number, since it is larger than the sum of its proper divisors (17667870770091).

53003612310261 is a wasteful number, since it uses less digits than its factorization.

53003612310261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17667870770090.

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 53003612310261 its reverse (16201321630035), we get a palindrome (69204933940296).

The spelling of 53003612310261 in words is "fifty-three trillion, three billion, six hundred twelve million, three hundred ten thousand, two hundred sixty-one".