14640553 has 8 divisors (see below), whose sum is σ = 15645960. Its totient is φ = 13651200.

The previous prime is 14640541. The next prime is 14640559. The reversal of 14640553 is 35504641.

It can be written as a sum of positive squares in 4 ways, for example, as 6620329 + 8020224 = 2573^2 + 2832^2 .

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 14640553 - 2¹³ = 14632361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14640559) 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, 2098 + ... + 5803.

It is an arithmetic number, because the mean of its divisors is an integer number (1955745).

Almost surely, 2^14640553 is an apocalyptic number.

It is an amenable number.

14640553 is a deficient number, since it is larger than the sum of its proper divisors (1005407).

14640553 is a wasteful number, since it uses less digits than its factorization.

14640553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 14640553 is about 3826.2975576920. The cubic root of 14640553 is about 244.6353202826.

The spelling of 14640553 in words is "fourteen million, six hundred forty thousand, five hundred fifty-three".