52009451 has 8 divisors (see below), whose sum is σ = 56071344. Its totient is φ = 47956320.

The previous prime is 52009439. The next prime is 52009453. The reversal of 52009451 is 15490025.

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 52009451 - 2⁶ = 52009387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52009451.

It is not an unprimeable number, because it can be changed into a prime (52009453) 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, 15461 + ... + 18521.

It is an arithmetic number, because the mean of its divisors is an integer number (7008918).

Almost surely, 2^52009451 is an apocalyptic number.

52009451 is a deficient number, since it is larger than the sum of its proper divisors (4061893).

52009451 is a wasteful number, since it uses less digits than its factorization.

52009451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 52009451 is about 7211.7578300994. The cubic root of 52009451 is about 373.2737271087.

Adding to 52009451 its reverse (15490025), we get a palindrome (67499476).

The spelling of 52009451 in words is "fifty-two million, nine thousand, four hundred fifty-one".