52187144 has 16 divisors (see below), whose sum is σ = 103607100. Its totient is φ = 24558592.

The previous prime is 52187143. The next prime is 52187183. The reversal of 52187144 is 44178125.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50836900 + 1350244 = 7130^2 + 1162^2 .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 52187144.

It is not an unprimeable number, because it can be changed into a prime (52187141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191729 + ... + 192000.

Almost surely, 2^52187144 is an apocalyptic number.

It is an amenable number.

52187144 is a deficient number, since it is larger than the sum of its proper divisors (51419956).

52187144 is a wasteful number, since it uses less digits than its factorization.

52187144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383752 (or 383748 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 52187144 is about 7224.0669985819. The cubic root of 52187144 is about 373.6983469443.

The spelling of 52187144 in words is "fifty-two million, one hundred eighty-seven thousand, one hundred forty-four".