565454448 has 180 divisors, whose sum is σ = 1784654872. Its totient is φ = 166129920.

The previous prime is 565454431. The next prime is 565454453. The reversal of 565454448 is 844454565.

It is a happy number.

565454448 is a `hidden beast` number, since 5 + 65 + 4 + 544 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 990003 + ... + 990573.

Almost surely, 2^565454448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565454448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892327436).

565454448 is an abundant number, since it is smaller than the sum of its proper divisors (1219200424).

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

565454448 is a wasteful number, since it uses less digits than its factorization.

565454448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 612 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 45.

The square root of 565454448 is about 23779.2861120766. The cubic root of 565454448 is about 826.9245296267.

The spelling of 565454448 in words is "five hundred sixty-five million, four hundred fifty-four thousand, four hundred forty-eight".