54056121 has 16 divisors (see below), whose sum is σ = 86707200. Its totient is φ = 29263248.

The previous prime is 54056089. The next prime is 54056129. The reversal of 54056121 is 12165045.

It is not a de Polignac number, because 54056121 - 2⁵ = 54056089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54056091 and 54056100.

It is not an unprimeable number, because it can be changed into a prime (54056129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67341 + ... + 68138.

It is an arithmetic number, because the mean of its divisors is an integer number (5419200).

Almost surely, 2^54056121 is an apocalyptic number.

It is an amenable number.

54056121 is a deficient number, since it is larger than the sum of its proper divisors (32651079).

54056121 is a wasteful number, since it uses less digits than its factorization.

54056121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135508.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 54056121 is about 7352.2867871160. The cubic root of 54056121 is about 378.1072104282.

The spelling of 54056121 in words is "fifty-four million, fifty-six thousand, one hundred twenty-one".