52571655 has 24 divisors (see below), whose sum is σ = 92673360. Its totient is φ = 27561600.

The previous prime is 52571653. The next prime is 52571669. The reversal of 52571655 is 55617525.

It is a happy number.

52571655 is a `hidden beast` number, since 525 + 71 + 65 + 5 = 666.

It is not a de Polignac number, because 52571655 - 2¹ = 52571653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52571653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7246 + ... + 12555.

It is an arithmetic number, because the mean of its divisors is an integer number (3861390).

Almost surely, 2^52571655 is an apocalyptic number.

52571655 is a deficient number, since it is larger than the sum of its proper divisors (40101705).

52571655 is a wasteful number, since it uses less digits than its factorization.

52571655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19871 (or 19868 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 52571655 is about 7250.6313518203. The cubic root of 52571655 is about 374.6138959328.

The spelling of 52571655 in words is "fifty-two million, five hundred seventy-one thousand, six hundred fifty-five".