52309454 has 4 divisors (see below), whose sum is σ = 78464184. Its totient is φ = 26154726.

The previous prime is 52309447. The next prime is 52309469. The reversal of 52309454 is 45490325.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52309454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13077362 + ... + 13077365.

It is an arithmetic number, because the mean of its divisors is an integer number (19616046).

Almost surely, 2^52309454 is an apocalyptic number.

52309454 is a deficient number, since it is larger than the sum of its proper divisors (26154730).

52309454 is a wasteful number, since it uses less digits than its factorization.

52309454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26154729.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 52309454 is about 7232.5274973553. The cubic root of 52309454 is about 373.9900623628.

Adding to 52309454 its reverse (45490325), we get a palindrome (97799779).

The spelling of 52309454 in words is "fifty-two million, three hundred nine thousand, four hundred fifty-four".