54225121 has 4 divisors (see below), whose sum is σ = 57414852. Its totient is φ = 51035392.

The previous prime is 54225113. The next prime is 54225161. The reversal of 54225121 is 12152245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47128225 + 7096896 = 6865^2 + 2664^2 .

It is a cyclic number.

It is not a de Polignac number, because 54225121 - 2³ = 54225113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54225092 and 54225101.

It is not an unprimeable number, because it can be changed into a prime (54225161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594840 + ... + 1594873.

It is an arithmetic number, because the mean of its divisors is an integer number (14353713).

Almost surely, 2^54225121 is an apocalyptic number.

It is an amenable number.

54225121 is a deficient number, since it is larger than the sum of its proper divisors (3189731).

54225121 is a wasteful number, since it uses less digits than its factorization.

54225121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189730.

The product of its digits is 800, while the sum is 22.

The square root of 54225121 is about 7363.7708410841. The cubic root of 54225121 is about 378.5008361686.

Adding to 54225121 its reverse (12152245), we get a palindrome (66377366).

The spelling of 54225121 in words is "fifty-four million, two hundred twenty-five thousand, one hundred twenty-one".