54066152545 has 4 divisors (see below), whose sum is σ = 64879383060. Its totient is φ = 43252922032.

The previous prime is 54066152531. The next prime is 54066152557. The reversal of 54066152545 is 54525166045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15530892129 + 38535260416 = 124623^2 + 196304^2 .

It is a cyclic number.

It is not a de Polignac number, because 54066152545 - 2¹⁹ = 54065628257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5406615250 + ... + 5406615259.

It is an arithmetic number, because the mean of its divisors is an integer number (16219845765).

Almost surely, 2^54066152545 is an apocalyptic number.

It is an amenable number.

54066152545 is a deficient number, since it is larger than the sum of its proper divisors (10813230515).

54066152545 is a wasteful number, since it uses less digits than its factorization.

54066152545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10813230514.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 54066152545 in words is "fifty-four billion, sixty-six million, one hundred fifty-two thousand, five hundred forty-five".