54281121 has 16 divisors (see below), whose sum is σ = 74627520. Its totient is φ = 35078400.

The previous prime is 54281107. The next prime is 54281131. The reversal of 54281121 is 12118245.

It is not a de Polignac number, because 54281121 - 2¹⁰ = 54280097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54281091 and 54281100.

It is not an unprimeable number, because it can be changed into a prime (54281131) 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, 10821 + ... + 15021.

It is an arithmetic number, because the mean of its divisors is an integer number (4664220).

Almost surely, 2^54281121 is an apocalyptic number.

It is an amenable number.

54281121 is a deficient number, since it is larger than the sum of its proper divisors (20346399).

54281121 is a wasteful number, since it uses less digits than its factorization.

54281121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336.

The product of its digits is 640, while the sum is 24.

The square root of 54281121 is about 7367.5722595710. The cubic root of 54281121 is about 378.6310879413.

Adding to 54281121 its reverse (12118245), we get a palindrome (66399366).

The spelling of 54281121 in words is "fifty-four million, two hundred eighty-one thousand, one hundred twenty-one".