448655551 has 4 divisors (see below), whose sum is σ = 475047072. Its totient is φ = 422264032.

The previous prime is 448655527. The next prime is 448655611. The reversal of 448655551 is 155556844.

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

It is a cyclic number.

It is not a de Polignac number, because 448655551 - 2¹¹ = 448653503 is a prime.

It is a super-2 number, since 2×448655551² = 402583606886227202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448655498 and 448655507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448650551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13195735 + ... + 13195768.

It is an arithmetic number, because the mean of its divisors is an integer number (118761768).

Almost surely, 2^448655551 is an apocalyptic number.

448655551 is a deficient number, since it is larger than the sum of its proper divisors (26391521).

448655551 is a wasteful number, since it uses less digits than its factorization.

448655551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26391520.

The product of its digits is 480000, while the sum is 43.

The square root of 448655551 is about 21181.4907643442. The cubic root of 448655551 is about 765.5455126275.

The spelling of 448655551 in words is "four hundred forty-eight million, six hundred fifty-five thousand, five hundred fifty-one".