53106121 has 4 divisors (see below), whose sum is σ = 55901200. Its totient is φ = 50311044.

The previous prime is 53106107. The next prime is 53106127. The reversal of 53106121 is 12160135.

53106121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 53106121 - 2⁵ = 53106089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 2795059 = 53106121 / (5 + 3 + 1 + 0 + 6 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53106127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397511 + ... + 1397548.

It is an arithmetic number, because the mean of its divisors is an integer number (13975300).

Almost surely, 2^53106121 is an apocalyptic number.

It is an amenable number.

53106121 is a deficient number, since it is larger than the sum of its proper divisors (2795079).

53106121 is a wasteful number, since it uses less digits than its factorization.

53106121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795078.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 53106121 is about 7287.3946647619. The cubic root of 53106121 is about 375.8791131866.

Adding to 53106121 its reverse (12160135), we get a palindrome (65266256).

The spelling of 53106121 in words is "fifty-three million, one hundred six thousand, one hundred twenty-one".