52188819 has 8 divisors (see below), whose sum is σ = 69620880. Its totient is φ = 34774656.

The previous prime is 52188811. The next prime is 52188853. The reversal of 52188819 is 91888125.

52188819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52188819 - 2³ = 52188811 is a prime.

It is a super-2 number, since 2×52188819² = 5447345657229522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52188811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5527 + ... + 11615.

It is an arithmetic number, because the mean of its divisors is an integer number (8702610).

Almost surely, 2^52188819 is an apocalyptic number.

52188819 is a deficient number, since it is larger than the sum of its proper divisors (17432061).

52188819 is a wasteful number, since it uses less digits than its factorization.

52188819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8949.

The product of its digits is 46080, while the sum is 42.

The square root of 52188819 is about 7224.1829295776. The cubic root of 52188819 is about 373.7023449790.

The spelling of 52188819 in words is "fifty-two million, one hundred eighty-eight thousand, eight hundred nineteen".