52009803 has 8 divisors (see below), whose sum is σ = 77051600. Its totient is φ = 34673184.

The previous prime is 52009787. The next prime is 52009813. The reversal of 52009803 is 30890025.

It is not a de Polignac number, because 52009803 - 2⁴ = 52009787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1926289 = 52009803 / (5 + 2 + 0 + 0 + 9 + 8 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52009813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963118 + ... + 963171.

It is an arithmetic number, because the mean of its divisors is an integer number (9631450).

Almost surely, 2^52009803 is an apocalyptic number.

52009803 is a deficient number, since it is larger than the sum of its proper divisors (25041797).

52009803 is a wasteful number, since it uses less digits than its factorization.

52009803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926298 (or 1926292 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 52009803 is about 7211.7822346491. The cubic root of 52009803 is about 373.2745692124.

Adding to 52009803 its reverse (30890025), we get a palindrome (82899828).

The spelling of 52009803 in words is "fifty-two million, nine thousand, eight hundred three".