52185501 has 6 divisors (see below), whose sum is σ = 75379070. Its totient is φ = 34790328.

The previous prime is 52185499. The next prime is 52185521. The reversal of 52185501 is 10558125.

52185501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42263001 + 9922500 = 6501^2 + 3150^2 .

It is not a de Polignac number, because 52185501 - 2¹ = 52185499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52185521) 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 5 ways as a sum of consecutive naturals, for example, 2899186 + ... + 2899203.

Almost surely, 2^52185501 is an apocalyptic number.

It is an amenable number.

52185501 is a deficient number, since it is larger than the sum of its proper divisors (23193569).

52185501 is a wasteful number, since it uses less digits than its factorization.

52185501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798395 (or 5798392 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 52185501 is about 7223.9532805798. The cubic root of 52185501 is about 373.6944252069.

The spelling of 52185501 in words is "fifty-two million, one hundred eighty-five thousand, five hundred one".