52445121 has 8 divisors (see below), whose sum is σ = 70970784. Its totient is φ = 34441440.

The previous prime is 52445101. The next prime is 52445131. The reversal of 52445121 is 12154425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52445121 - 2¹¹ = 52443073 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52445091 and 52445100.

It is not an unprimeable number, because it can be changed into a prime (52445101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130260 + ... + 130661.

It is an arithmetic number, because the mean of its divisors is an integer number (8871348).

Almost surely, 2^52445121 is an apocalyptic number.

It is an amenable number.

52445121 is a deficient number, since it is larger than the sum of its proper divisors (18525663).

52445121 is a wasteful number, since it uses less digits than its factorization.

52445121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260991.

The product of its digits is 1600, while the sum is 24.

The square root of 52445121 is about 7241.9003721399. The cubic root of 52445121 is about 374.3131034521.

Adding to 52445121 its reverse (12154425), we get a palindrome (64599546).

The spelling of 52445121 in words is "fifty-two million, four hundred forty-five thousand, one hundred twenty-one".