54031315545 has 16 divisors (see below), whose sum is σ = 96055672320. Its totient is φ = 28816701552.

The previous prime is 54031315501. The next prime is 54031315561. The reversal of 54031315545 is 54551313045.

54031315545 is a `hidden beast` number, since 5 + 40 + 31 + 31 + 554 + 5 = 666.

It is not a de Polignac number, because 54031315545 - 2¹⁰ = 54031314521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200115849 + ... + 200116118.

It is an arithmetic number, because the mean of its divisors is an integer number (6003479520).

Almost surely, 2^54031315545 is an apocalyptic number.

It is an amenable number.

54031315545 is a deficient number, since it is larger than the sum of its proper divisors (42024356775).

54031315545 is a wasteful number, since it uses less digits than its factorization.

54031315545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400231981 (or 400231975 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 54031315545 in words is "fifty-four billion, thirty-one million, three hundred fifteen thousand, five hundred forty-five".