14155553 has 2 divisors, whose sum is σ = 14155554. Its totient is φ = 14155552.

The previous prime is 14155529. The next prime is 14155579. The reversal of 14155553 is 35555141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12229009 + 1926544 = 3497^2 + 1388^2 .

It is an emirp because it is prime and its reverse (35555141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14155553 - 2⁶ = 14155489 is a prime.

It is not a weakly prime, because it can be changed into another prime (14155523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7077776 + 7077777.

It is an arithmetic number, because the mean of its divisors is an integer number (7077777).

Almost surely, 2^14155553 is an apocalyptic number.

It is an amenable number.

14155553 is a deficient number, since it is larger than the sum of its proper divisors (1).

14155553 is an equidigital number, since it uses as much as digits as its factorization.

14155553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7500, while the sum is 29.

The square root of 14155553 is about 3762.3866095871. The cubic root of 14155553 is about 241.9035713077.

The spelling of 14155553 in words is "fourteen million, one hundred fifty-five thousand, five hundred fifty-three".