455555776 has 56 divisors (see below), whose sum is σ = 991995984. Its totient is φ = 206269440.

The previous prime is 455555741. The next prime is 455555801. The reversal of 455555776 is 677555554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38931 + ... + 49261.

It is an arithmetic number, because the mean of its divisors is an integer number (17714214).

Almost surely, 2^455555776 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 455555776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495997992).

455555776 is an abundant number, since it is smaller than the sum of its proper divisors (536440208).

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

455555776 is a wasteful number, since it uses less digits than its factorization.

455555776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10409 (or 10399 counting only the distinct ones).

The product of its digits is 3675000, while the sum is 49.

The square root of 455555776 is about 21343.7526222546. The cubic root of 455555776 is about 769.4502040308.

The spelling of 455555776 in words is "four hundred fifty-five million, five hundred fifty-five thousand, seven hundred seventy-six".