455563478 has 16 divisors (see below), whose sum is σ = 689762304. Its totient is φ = 225648360.

The previous prime is 455563469. The next prime is 455563481. The reversal of 455563478 is 874365554.

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, 300743 + ... + 302253.

It is an arithmetic number, because the mean of its divisors is an integer number (43110144).

Almost surely, 2^455563478 is an apocalyptic number.

455563478 is a deficient number, since it is larger than the sum of its proper divisors (234198826).

455563478 is a wasteful number, since it uses less digits than its factorization.

455563478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

The product of its digits is 2016000, while the sum is 47.

The square root of 455563478 is about 21343.9330489954. The cubic root of 455563478 is about 769.4545403253.

The spelling of 455563478 in words is "four hundred fifty-five million, five hundred sixty-three thousand, four hundred seventy-eight".