54572143665 has 32 divisors (see below), whose sum is σ = 94066914816. Its totient is φ = 26856311040.

The previous prime is 54572143607. The next prime is 54572143667. The reversal of 54572143665 is 56634127545.

It is not a de Polignac number, because 54572143665 - 2¹⁰ = 54572142641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54572143667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488995 + ... + 590135.

It is an arithmetic number, because the mean of its divisors is an integer number (2939591088).

Almost surely, 2^54572143665 is an apocalyptic number.

It is an amenable number.

54572143665 is a deficient number, since it is larger than the sum of its proper divisors (39494771151).

54572143665 is a wasteful number, since it uses less digits than its factorization.

54572143665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103929.

The product of its digits is 3024000, while the sum is 48.

The spelling of 54572143665 in words is "fifty-four billion, five hundred seventy-two million, one hundred forty-three thousand, six hundred sixty-five".