52030209 has 48 divisors (see below), whose sum is σ = 91929600. Its totient is φ = 25835040.

The previous prime is 52030207. The next prime is 52030211. The reversal of 52030209 is 90203025.

It is an interprime number because it is at equal distance from previous prime (52030207) and next prime (52030211).

It is not a de Polignac number, because 52030209 - 2¹ = 52030207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (52030207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36492 + ... + 37890.

It is an arithmetic number, because the mean of its divisors is an integer number (1915200).

Almost surely, 2^52030209 is an apocalyptic number.

It is an amenable number.

52030209 is a deficient number, since it is larger than the sum of its proper divisors (39899391).

52030209 is a wasteful number, since it uses less digits than its factorization.

52030209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 52030209 is about 7213.1968640818. The cubic root of 52030209 is about 373.3233808111.

The spelling of 52030209 in words is "fifty-two million, thirty thousand, two hundred nine".