450520554 has 16 divisors (see below), whose sum is σ = 982954080. Its totient is φ = 136521360.

The previous prime is 450520549. The next prime is 450520559. The reversal of 450520554 is 455025054.

It is an interprime number because it is at equal distance from previous prime (450520549) and next prime (450520559).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450520559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3412969 + ... + 3413100.

It is an arithmetic number, because the mean of its divisors is an integer number (61434630).

Almost surely, 2^450520554 is an apocalyptic number.

450520554 is an abundant number, since it is smaller than the sum of its proper divisors (532433526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450520554 is a wasteful number, since it uses less digits than its factorization.

450520554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826085.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 450520554 is about 21225.4694647727. The cubic root of 450520554 is about 766.6048040401.

The spelling of 450520554 in words is "four hundred fifty million, five hundred twenty thousand, five hundred fifty-four".