453945554 has 4 divisors (see below), whose sum is σ = 680918334. Its totient is φ = 226972776.

The previous prime is 453945487. The next prime is 453945559. The reversal of 453945554 is 455549354.

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

It can be written as a sum of positive squares in only one way, i.e., 418816225 + 35129329 = 20465^2 + 5927^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (453945559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113486387 + ... + 113486390.

Almost surely, 2^453945554 is an apocalyptic number.

453945554 is a deficient number, since it is larger than the sum of its proper divisors (226972780).

453945554 is a wasteful number, since it uses less digits than its factorization.

453945554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226972779.

The product of its digits is 1080000, while the sum is 44.

The square root of 453945554 is about 21305.9980756594. The cubic root of 453945554 is about 768.5425593681.

The spelling of 453945554 in words is "four hundred fifty-three million, nine hundred forty-five thousand, five hundred fifty-four".