53852121 has 20 divisors (see below), whose sum is σ = 81654672. Its totient is φ = 35362008.

The previous prime is 53852119. The next prime is 53852153. The reversal of 53852121 is 12125835.

It is a happy number.

53852121 is a `hidden beast` number, since 538 + 5 + 2 + 121 = 666.

It is not a de Polignac number, because 53852121 - 2¹ = 53852119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53852021) 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 19 ways as a sum of consecutive naturals, for example, 466 + ... + 10388.

Almost surely, 2^53852121 is an apocalyptic number.

It is an amenable number.

53852121 is a deficient number, since it is larger than the sum of its proper divisors (27802551).

53852121 is an equidigital number, since it uses as much as digits as its factorization.

53852121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002 (or 9993 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 53852121 is about 7338.4004387877. The cubic root of 53852121 is about 377.6309701546.

Adding to 53852121 its reverse (12125835), we get a palindrome (65977956).

The spelling of 53852121 in words is "fifty-three million, eight hundred fifty-two thousand, one hundred twenty-one".