53311312061 has 16 divisors (see below), whose sum is σ = 64871591040. Its totient is φ = 42767162880.

The previous prime is 53311312049. The next prime is 53311312081. The reversal of 53311312061 is 16021311335.

It is a cyclic number.

It is not a de Polignac number, because 53311312061 - 2²⁶ = 53244203197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53311312061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53311312001) 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, 1230080 + ... + 1272681.

It is an arithmetic number, because the mean of its divisors is an integer number (4054474440).

Almost surely, 2^53311312061 is an apocalyptic number.

It is an amenable number.

53311312061 is a deficient number, since it is larger than the sum of its proper divisors (11560278979).

53311312061 is a wasteful number, since it uses less digits than its factorization.

53311312061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502964.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 53311312061 its reverse (16021311335), we get a palindrome (69332623396).

The spelling of 53311312061 in words is "fifty-three billion, three hundred eleven million, three hundred twelve thousand, sixty-one".