52656121 has 8 divisors (see below), whose sum is σ = 61459200. Its totient is φ = 44173248.

The previous prime is 52656103. The next prime is 52656137. The reversal of 52656121 is 12165625.

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

It is not a de Polignac number, because 52656121 - 2¹⁵ = 52623353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52656121.

It is not an unprimeable number, because it can be changed into a prime (52656161) 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 7 ways as a sum of consecutive naturals, for example, 79696 + ... + 80353.

It is an arithmetic number, because the mean of its divisors is an integer number (7682400).

Almost surely, 2^52656121 is an apocalyptic number.

It is an amenable number.

52656121 is a deficient number, since it is larger than the sum of its proper divisors (8803079).

52656121 is a wasteful number, since it uses less digits than its factorization.

52656121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160103.

The product of its digits is 3600, while the sum is 28.

The square root of 52656121 is about 7256.4537482161. The cubic root of 52656121 is about 374.8144172096.

The spelling of 52656121 in words is "fifty-two million, six hundred fifty-six thousand, one hundred twenty-one".