52813865 has 16 divisors (see below), whose sum is σ = 71221248. Its totient is φ = 37304256.

The previous prime is 52813841. The next prime is 52813903. The reversal of 52813865 is 56831825.

It is a cyclic number.

It is not a de Polignac number, because 52813865 - 2²² = 48619561 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16169 + ... + 19158.

It is an arithmetic number, because the mean of its divisors is an integer number (4451328).

Almost surely, 2^52813865 is an apocalyptic number.

It is an amenable number.

52813865 is a deficient number, since it is larger than the sum of its proper divisors (18407383).

52813865 is a wasteful number, since it uses less digits than its factorization.

52813865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35368.

The product of its digits is 57600, while the sum is 38.

The square root of 52813865 is about 7267.3148411225. The cubic root of 52813865 is about 375.1883261469.

The spelling of 52813865 in words is "fifty-two million, eight hundred thirteen thousand, eight hundred sixty-five".