52121144 has 16 divisors (see below), whose sum is σ = 97818000. Its totient is φ = 26036352.

The previous prime is 52121143. The next prime is 52121177. The reversal of 52121144 is 44112125.

It is a happy number.

52121144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52121144² = 5433227303737472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52121141) 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, 8864 + ... + 13520.

It is an arithmetic number, because the mean of its divisors is an integer number (6113625).

Almost surely, 2^52121144 is an apocalyptic number.

It is an amenable number.

52121144 is a deficient number, since it is larger than the sum of its proper divisors (45696856).

52121144 is a wasteful number, since it uses less digits than its factorization.

52121144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062 (or 6058 counting only the distinct ones).

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

The square root of 52121144 is about 7219.4974894379. The cubic root of 52121144 is about 373.5407443005.

Adding to 52121144 its reverse (44112125), we get a palindrome (96233269).

The spelling of 52121144 in words is "fifty-two million, one hundred twenty-one thousand, one hundred forty-four".