54412121 has 8 divisors (see below), whose sum is σ = 57774024. Its totient is φ = 51068160.

The previous prime is 54412109. The next prime is 54412139. The reversal of 54412121 is 12121445.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1690000 + 52722121 = 1300^2 + 7261^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54412121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54412093 and 54412102.

It is not an unprimeable number, because it can be changed into a prime (54412021) 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, 2051 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (7221753).

Almost surely, 2^54412121 is an apocalyptic number.

It is an amenable number.

54412121 is a deficient number, since it is larger than the sum of its proper divisors (3361903).

54412121 is a wasteful number, since it uses less digits than its factorization.

54412121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8971.

The product of its digits is 320, while the sum is 20.

The square root of 54412121 is about 7376.4572119684. The cubic root of 54412121 is about 378.9354345451.

Adding to 54412121 its reverse (12121445), we get a palindrome (66533566).

The spelling of 54412121 in words is "fifty-four million, four hundred twelve thousand, one hundred twenty-one".