52209031 has 8 divisors (see below), whose sum is σ = 61123104. Its totient is φ = 43658880.

The previous prime is 52209029. The next prime is 52209037. The reversal of 52209031 is 13090225.

52209031 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 a cyclic number.

It is not a de Polignac number, because 52209031 - 2¹ = 52209029 is a prime.

It is a super-2 number, since 2×52209031² = 5451565835917922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52208993 and 52209011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52209037) 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, 90670 + ... + 91243.

It is an arithmetic number, because the mean of its divisors is an integer number (7640388).

Almost surely, 2^52209031 is an apocalyptic number.

52209031 is a deficient number, since it is larger than the sum of its proper divisors (8914073).

52209031 is a wasteful number, since it uses less digits than its factorization.

52209031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181961.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 52209031 is about 7225.5817066863. The cubic root of 52209031 is about 373.7505819836.

Adding to 52209031 its reverse (13090225), we get a palindrome (65299256).

The spelling of 52209031 in words is "fifty-two million, two hundred nine thousand, thirty-one".