54156215164 has 24 divisors (see below), whose sum is σ = 96069840048. Its totient is φ = 26709863040.

The previous prime is 54156215149. The next prime is 54156215221. The reversal of 54156215164 is 46151265145.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171807 + ... + 371254.

It is an arithmetic number, because the mean of its divisors is an integer number (4002910002).

Almost surely, 2^54156215164 is an apocalyptic number.

It is an amenable number.

54156215164 is a deficient number, since it is larger than the sum of its proper divisors (41913624884).

54156215164 is a wasteful number, since it uses less digits than its factorization.

54156215164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543405 (or 543403 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The spelling of 54156215164 in words is "fifty-four billion, one hundred fifty-six million, two hundred fifteen thousand, one hundred sixty-four".