52052181 has 8 divisors (see below), whose sum is σ = 73485504. Its totient is φ = 32660160.

The previous prime is 52052179. The next prime is 52052227. The reversal of 52052181 is 18125025.

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

It is not a de Polignac number, because 52052181 - 2¹ = 52052179 is a prime.

It is a super-2 number, since 2×52052181² = 5418859093713522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52052141) 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 7 ways as a sum of consecutive naturals, for example, 510265 + ... + 510366.

It is an arithmetic number, because the mean of its divisors is an integer number (9185688).

Almost surely, 2^52052181 is an apocalyptic number.

52052181 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

52052181 is a deficient number, since it is larger than the sum of its proper divisors (21433323).

52052181 is a wasteful number, since it uses less digits than its factorization.

52052181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020651.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 52052181 is about 7214.7197450767. The cubic root of 52052181 is about 373.3759240490.

The spelling of 52052181 in words is "fifty-two million, fifty-two thousand, one hundred eighty-one".