448961554 has 4 divisors (see below), whose sum is σ = 673442334. Its totient is φ = 224480776.

The previous prime is 448961533. The next prime is 448961567. The reversal of 448961554 is 455169844.

It is a happy number.

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., 402925329 + 46036225 = 20073^2 + 6785^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112240387 + ... + 112240390.

Almost surely, 2^448961554 is an apocalyptic number.

448961554 is a deficient number, since it is larger than the sum of its proper divisors (224480780).

448961554 is a wasteful number, since it uses less digits than its factorization.

448961554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224480779.

The product of its digits is 691200, while the sum is 46.

The square root of 448961554 is about 21188.7128915373. The cubic root of 448961554 is about 765.7195184134.

The spelling of 448961554 in words is "four hundred forty-eight million, nine hundred sixty-one thousand, five hundred fifty-four".