53771800511 has 16 divisors (see below), whose sum is σ = 64037853600. Its totient is φ = 44505054720.

The previous prime is 53771800501. The next prime is 53771800519. The reversal of 53771800511 is 11500817735.

It is a cyclic number.

It is not a de Polignac number, because 53771800511 - 2⁶ = 53771800447 is a prime.

It is a super-2 number, since 2×53771800511² (a number of 22 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 (53771800519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2565086 + ... + 2585963.

It is an arithmetic number, because the mean of its divisors is an integer number (4002365850).

Almost surely, 2^53771800511 is an apocalyptic number.

53771800511 is a deficient number, since it is larger than the sum of its proper divisors (10266053089).

53771800511 is a wasteful number, since it uses less digits than its factorization.

53771800511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151146.

The product of its (nonzero) digits is 29400, while the sum is 38.

The spelling of 53771800511 in words is "fifty-three billion, seven hundred seventy-one million, eight hundred thousand, five hundred eleven".