52553210121 has 6 divisors (see below), whose sum is σ = 75910192410. Its totient is φ = 35035473408.

The previous prime is 52553210081. The next prime is 52553210141. The reversal of 52553210121 is 12101235525.

52553210121 is a `hidden beast` number, since 5 + 2 + 5 + 532 + 1 + 0 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43516046025 + 9037164096 = 208605^2 + 95064^2 .

It is not a de Polignac number, because 52553210121 - 2⁶ = 52553210057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52553210141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2919622776 + ... + 2919622793.

It is an arithmetic number, because the mean of its divisors is an integer number (12651698735).

Almost surely, 2^52553210121 is an apocalyptic number.

It is an amenable number.

52553210121 is a deficient number, since it is larger than the sum of its proper divisors (23356982289).

52553210121 is a wasteful number, since it uses less digits than its factorization.

52553210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5839245575 (or 5839245572 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 52553210121 its reverse (12101235525), we get a palindrome (64654445646).

The spelling of 52553210121 in words is "fifty-two billion, five hundred fifty-three million, two hundred ten thousand, one hundred twenty-one".