54514526561 has 16 divisors (see below), whose sum is σ = 62116433280. Its totient is φ = 47357819520.

The previous prime is 54514526527. The next prime is 54514526581. The reversal of 54514526561 is 16562541545.

It is a de Polignac number, because none of the positive numbers 2^k-54514526561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54514526581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157055 + ... + 365643.

It is an arithmetic number, because the mean of its divisors is an integer number (3882277080).

Almost surely, 2^54514526561 is an apocalyptic number.

It is an amenable number.

54514526561 is a deficient number, since it is larger than the sum of its proper divisors (7601906719).

54514526561 is a wasteful number, since it uses less digits than its factorization.

54514526561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209656.

The product of its digits is 720000, while the sum is 44.

The spelling of 54514526561 in words is "fifty-four billion, five hundred fourteen million, five hundred twenty-six thousand, five hundred sixty-one".