52557886 has 8 divisors (see below), whose sum is σ = 78958440. Its totient is φ = 26238408.

The previous prime is 52557881. The next prime is 52557887. The reversal of 52557886 is 68875525.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52557881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18621 + ... + 21256.

It is an arithmetic number, because the mean of its divisors is an integer number (9869805).

Almost surely, 2^52557886 is an apocalyptic number.

52557886 is a deficient number, since it is larger than the sum of its proper divisors (26400554).

52557886 is a wasteful number, since it uses less digits than its factorization.

52557886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40538.

The product of its digits is 672000, while the sum is 46.

The square root of 52557886 is about 7249.6817861200. The cubic root of 52557886 is about 374.5811881355.

The spelling of 52557886 in words is "fifty-two million, five hundred fifty-seven thousand, eight hundred eighty-six".