52552881 has 14 divisors (see below), whose sum is σ = 78794370. Its totient is φ = 35034768.

The previous prime is 52552859. The next prime is 52552889. The reversal of 52552881 is 18825525.

52552881 is a `hidden beast` number, since 52 + 5 + 528 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49280400 + 3272481 = 7020^2 + 1809^2 .

It is not a de Polignac number, because 52552881 - 2¹³ = 52544689 is a prime.

It is a super-2 number, since 2×52552881² = 5523610602800322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52552889) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 35316 + ... + 36773.

Almost surely, 2^52552881 is an apocalyptic number.

It is an amenable number.

52552881 is a deficient number, since it is larger than the sum of its proper divisors (26241489).

52552881 is an frugal number, since it uses more digits than its factorization.

52552881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72107 (or 72092 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 52552881 is about 7249.3365903371. The cubic root of 52552881 is about 374.5692975104.

The spelling of 52552881 in words is "fifty-two million, five hundred fifty-two thousand, eight hundred eighty-one".