52864881 has 4 divisors (see below), whose sum is σ = 70486512. Its totient is φ = 35243252.

The previous prime is 52864873. The next prime is 52864913. The reversal of 52864881 is 18846825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52864881 - 2³ = 52864873 is a prime.

It is a super-2 number, since 2×52864881² = 5589391286288322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52864831) 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, 8810811 + ... + 8810816.

It is an arithmetic number, because the mean of its divisors is an integer number (17621628).

Almost surely, 2^52864881 is an apocalyptic number.

It is an amenable number.

52864881 is a deficient number, since it is larger than the sum of its proper divisors (17621631).

52864881 is a wasteful number, since it uses less digits than its factorization.

52864881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17621630.

The product of its digits is 122880, while the sum is 42.

The square root of 52864881 is about 7270.8239560589. The cubic root of 52864881 is about 375.3090927167.

The spelling of 52864881 in words is "fifty-two million, eight hundred sixty-four thousand, eight hundred eighty-one".