52416121 has 4 divisors (see below), whose sum is σ = 52520832. Its totient is φ = 52311412.

The previous prime is 52416109. The next prime is 52416127. The reversal of 52416121 is 12161425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52416121 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52416092 and 52416101.

It is not an unprimeable number, because it can be changed into a prime (52416127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51601 + ... + 52606.

It is an arithmetic number, because the mean of its divisors is an integer number (13130208).

Almost surely, 2^52416121 is an apocalyptic number.

It is an amenable number.

52416121 is a deficient number, since it is larger than the sum of its proper divisors (104711).

52416121 is a wasteful number, since it uses less digits than its factorization.

52416121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104710.

The product of its digits is 480, while the sum is 22.

The square root of 52416121 is about 7239.8978583955. The cubic root of 52416121 is about 374.2440974689.

Adding to 52416121 its reverse (12161425), we get a palindrome (64577546).

The spelling of 52416121 in words is "fifty-two million, four hundred sixteen thousand, one hundred twenty-one".