54120643101 has 32 divisors (see below), whose sum is σ = 93763845120. Its totient is φ = 30206866032.

The previous prime is 54120643099. The next prime is 54120643127. The reversal of 54120643101 is 10134602145.

It is a happy number.

54120643101 is a `hidden beast` number, since 5 + 4 + 1 + 2 + 0 + 643 + 10 + 1 = 666.

It is not a de Polignac number, because 54120643101 - 2¹ = 54120643099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54120643201) 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, 3321555 + ... + 3337808.

It is an arithmetic number, because the mean of its divisors is an integer number (2930120160).

Almost surely, 2^54120643101 is an apocalyptic number.

It is an amenable number.

54120643101 is a deficient number, since it is larger than the sum of its proper divisors (39643202019).

54120643101 is a wasteful number, since it uses less digits than its factorization.

54120643101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6659422 (or 6659416 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 54120643101 in words is "fifty-four billion, one hundred twenty million, six hundred forty-three thousand, one hundred one".