52557869 has 8 divisors (see below), whose sum is σ = 64686720. Its totient is φ = 41584176.

The previous prime is 52557851. The next prime is 52557881. The reversal of 52557869 is 96875525.

52557869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52557869 - 2²⁴ = 35780653 is a prime.

It is a super-2 number, since 2×52557869² = 5524659187642322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52557899) 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 7 ways as a sum of consecutive naturals, for example, 288689 + ... + 288870.

It is an arithmetic number, because the mean of its divisors is an integer number (8085840).

Almost surely, 2^52557869 is an apocalyptic number.

It is an amenable number.

52557869 is a deficient number, since it is larger than the sum of its proper divisors (12128851).

52557869 is a wasteful number, since it uses less digits than its factorization.

52557869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577579.

The product of its digits is 756000, while the sum is 47.

The square root of 52557869 is about 7249.6806136546. The cubic root of 52557869 is about 374.5811477490.

The spelling of 52557869 in words is "fifty-two million, five hundred fifty-seven thousand, eight hundred sixty-nine".