449854553 has 2 divisors, whose sum is σ = 449854554. Its totient is φ = 449854552.

The previous prime is 449854511. The next prime is 449854567. The reversal of 449854553 is 355458944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436517449 + 13337104 = 20893^2 + 3652^2 .

It is a cyclic number.

It is not a de Polignac number, because 449854553 - 2⁸ = 449854297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 449854498 and 449854507.

It is not a weakly prime, because it can be changed into another prime (449850553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224927276 + 224927277.

It is an arithmetic number, because the mean of its divisors is an integer number (224927277).

Almost surely, 2^449854553 is an apocalyptic number.

It is an amenable number.

449854553 is a deficient number, since it is larger than the sum of its proper divisors (1).

449854553 is an equidigital number, since it uses as much as digits as its factorization.

449854553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728000, while the sum is 47.

The square root of 449854553 is about 21209.7749398715. The cubic root of 449854553 is about 766.2268624540.

The spelling of 449854553 in words is "four hundred forty-nine million, eight hundred fifty-four thousand, five hundred fifty-three".