455056521 has 8 divisors (see below), whose sum is σ = 606903264. Its totient is φ = 303290400.

The previous prime is 455056513. The next prime is 455056543. The reversal of 455056521 is 125650554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 455056521 - 2³ = 455056513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (455056501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5451 + ... + 30656.

It is an arithmetic number, because the mean of its divisors is an integer number (75862908).

Almost surely, 2^455056521 is an apocalyptic number.

It is an amenable number.

455056521 is a deficient number, since it is larger than the sum of its proper divisors (151846743).

455056521 is a wasteful number, since it uses less digits than its factorization.

455056521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40311.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 455056521 is about 21332.0538392345. The cubic root of 455056521 is about 769.1690146929.

The spelling of 455056521 in words is "four hundred fifty-five million, fifty-six thousand, five hundred twenty-one".