54172533165 has 32 divisors (see below), whose sum is σ = 89700048000. Its totient is φ = 27884801280.

The previous prime is 54172533113. The next prime is 54172533229. The reversal of 54172533165 is 56133527145.

It is not a de Polignac number, because 54172533165 - 2¹⁷ = 54172402093 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1150995 + ... + 1197135.

It is an arithmetic number, because the mean of its divisors is an integer number (2803126500).

Almost surely, 2^54172533165 is an apocalyptic number.

It is an amenable number.

54172533165 is a deficient number, since it is larger than the sum of its proper divisors (35527514835).

54172533165 is a wasteful number, since it uses less digits than its factorization.

54172533165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48877.

The product of its digits is 378000, while the sum is 42.

The spelling of 54172533165 in words is "fifty-four billion, one hundred seventy-two million, five hundred thirty-three thousand, one hundred sixty-five".