54266604521 has 4 divisors (see below), whose sum is σ = 54295334100. Its totient is φ = 54237874944.

The previous prime is 54266604449. The next prime is 54266604523. The reversal of 54266604521 is 12540666245.

54266604521 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: 12540666245 = 5 ⋅2508133249.

It can be written as a sum of positive squares in 2 ways, for example, as 17609290000 + 36657314521 = 132700^2 + 191461^2 .

It is a cyclic number.

It is not a de Polignac number, because 54266604521 - 2²² = 54262410217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54266604523) 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, 14361956 + ... + 14365733.

It is an arithmetic number, because the mean of its divisors is an integer number (13573833525).

Almost surely, 2^54266604521 is an apocalyptic number.

It is an amenable number.

54266604521 is a deficient number, since it is larger than the sum of its proper divisors (28729579).

54266604521 is a wasteful number, since it uses less digits than its factorization.

54266604521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28729578.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 54266604521 in words is "fifty-four billion, two hundred sixty-six million, six hundred four thousand, five hundred twenty-one".