53669961073 has 4 divisors (see below), whose sum is σ = 53670889588. Its totient is φ = 53669032560.

The previous prime is 53669961031. The next prime is 53669961089. The reversal of 53669961073 is 37016996635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37016996635 = 5 ⋅7403399327.

It can be written as a sum of positive squares in 2 ways, for example, as 42819197184 + 10850763889 = 206928^2 + 104167^2 .

It is a cyclic number.

It is not a de Polignac number, because 53669961073 - 2¹⁷ = 53669830001 is a prime.

It is a super-2 number, since 2×53669961073² (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 (53669961973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371358 + ... + 495223.

It is an arithmetic number, because the mean of its divisors is an integer number (13417722397).

Almost surely, 2^53669961073 is an apocalyptic number.

It is an amenable number.

53669961073 is a deficient number, since it is larger than the sum of its proper divisors (928515).

53669961073 is an equidigital number, since it uses as much as digits as its factorization.

53669961073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928514.

The product of its (nonzero) digits is 5511240, while the sum is 55.

The spelling of 53669961073 in words is "fifty-three billion, six hundred sixty-nine million, nine hundred sixty-one thousand, seventy-three".