54064661525315 has 16 divisors (see below), whose sum is σ = 74146002158592. Its totient is φ = 37072820441184.

The previous prime is 54064661525297. The next prime is 54064661525317. The reversal of 54064661525315 is 51352516646045.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54064661525315 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54064661525317) 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, 14763842 + ... + 18058248.

It is an arithmetic number, because the mean of its divisors is an integer number (4634125134912).

Almost surely, 2^{54064661525315} is an apocalyptic number.

54064661525315 is a deficient number, since it is larger than the sum of its proper divisors (20081340633277).

54064661525315 is a wasteful number, since it uses less digits than its factorization.

54064661525315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763306.

The product of its (nonzero) digits is 12960000, while the sum is 53.

The spelling of 54064661525315 in words is "fifty-four trillion, sixty-four billion, six hundred sixty-one million, five hundred twenty-five thousand, three hundred fifteen".