52443187 has 12 divisors (see below), whose sum is σ = 54382104. Its totient is φ = 50568000.

The previous prime is 52443143. The next prime is 52443229. The reversal of 52443187 is 78134425.

It is not a de Polignac number, because 52443187 - 2¹¹ = 52441139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52443137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208812 + ... + 209062.

It is an arithmetic number, because the mean of its divisors is an integer number (4531842).

Almost surely, 2^52443187 is an apocalyptic number.

52443187 is a deficient number, since it is larger than the sum of its proper divisors (1938917).

52443187 is a wasteful number, since it uses less digits than its factorization.

52443187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 407 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 52443187 is about 7241.7668424218. The cubic root of 52443187 is about 374.3085022587.

The spelling of 52443187 in words is "fifty-two million, four hundred forty-three thousand, one hundred eighty-seven".