53211084769 has 4 divisors (see below), whose sum is σ = 53347874580. Its totient is φ = 53074294960.

The previous prime is 53211084767. The next prime is 53211084811. The reversal of 53211084769 is 96748011235.

53211084769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96748011235 = 5 ⋅19349602247.

It can be written as a sum of positive squares in 2 ways, for example, as 11339694144 + 41871390625 = 106488^2 + 204625^2 .

It is a cyclic number.

It is not a de Polignac number, because 53211084769 - 2¹ = 53211084767 is a prime.

It is a super-2 number, since 2×53211084769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53211084767) 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, 68394322 + ... + 68395099.

It is an arithmetic number, because the mean of its divisors is an integer number (13336968645).

It is a 1-persistent number, because it is pandigital, but 2⋅53211084769 = 106422169538 is not.

Almost surely, 2^53211084769 is an apocalyptic number.

It is an amenable number.

53211084769 is a deficient number, since it is larger than the sum of its proper divisors (136789811).

53211084769 is a wasteful number, since it uses less digits than its factorization.

53211084769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136789810.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 53211084769 in words is "fifty-three billion, two hundred eleven million, eighty-four thousand, seven hundred sixty-nine".