54515665213654 has 32 divisors (see below), whose sum is σ = 83034447471360. Its totient is φ = 26839717418592.

The previous prime is 54515665213613. The next prime is 54515665213657. The reversal of 54515665213654 is 45631256651545.

It is a happy number.

54515665213654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54515665213657) 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 15 ways as a sum of consecutive naturals, for example, 878502892 + ... + 878564944.

It is an arithmetic number, because the mean of its divisors is an integer number (2594826483480).

Almost surely, 2^{54515665213654} is an apocalyptic number.

54515665213654 is a deficient number, since it is larger than the sum of its proper divisors (28518782257706).

54515665213654 is a wasteful number, since it uses less digits than its factorization.

54515665213654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79684.

The product of its digits is 64800000, while the sum is 58.

The spelling of 54515665213654 in words is "fifty-four trillion, five hundred fifteen billion, six hundred sixty-five million, two hundred thirteen thousand, six hundred fifty-four".