54551121 has 8 divisors (see below), whose sum is σ = 73402560. Its totient is φ = 36033552.

The previous prime is 54551111. The next prime is 54551129. The reversal of 54551121 is 12115545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54551121 - 2⁹ = 54550609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54551091 and 54551100.

It is not an unprimeable number, because it can be changed into a prime (54551129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83085 + ... + 83738.

It is an arithmetic number, because the mean of its divisors is an integer number (9175320).

Almost surely, 2^54551121 is an apocalyptic number.

It is an amenable number.

54551121 is a deficient number, since it is larger than the sum of its proper divisors (18851439).

54551121 is a wasteful number, since it uses less digits than its factorization.

54551121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166935.

The product of its digits is 1000, while the sum is 24.

The square root of 54551121 is about 7385.8730695836. The cubic root of 54551121 is about 379.2578335276.

Adding to 54551121 its reverse (12115545), we get a palindrome (66666666).

The spelling of 54551121 in words is "fifty-four million, five hundred fifty-one thousand, one hundred twenty-one".