52805388881 has 8 divisors (see below), whose sum is σ = 60902677440. Its totient is φ = 44846515728.

The previous prime is 52805388877. The next prime is 52805388913. The reversal of 52805388881 is 18888350825.

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

It is not a de Polignac number, because 52805388881 - 2² = 52805388877 is a prime.

It is a super-2 number, since 2×52805388881² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52805388781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34603031 + ... + 34604556.

It is an arithmetic number, because the mean of its divisors is an integer number (7612834680).

Almost surely, 2^52805388881 is an apocalyptic number.

It is an amenable number.

52805388881 is a deficient number, since it is larger than the sum of its proper divisors (8097288559).

52805388881 is a wasteful number, since it uses less digits than its factorization.

52805388881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69207703.

The product of its (nonzero) digits is 4915200, while the sum is 56.

The spelling of 52805388881 in words is "fifty-two billion, eight hundred five million, three hundred eighty-eight thousand, eight hundred eighty-one".