456550643 has 4 divisors (see below), whose sum is σ = 459835320. Its totient is φ = 453265968.

The previous prime is 456550637. The next prime is 456550669. The reversal of 456550643 is 346055654.

It is a happy number.

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 456550643 - 2⁸ = 456550387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 456550597 and 456550606.

It is not an unprimeable number, because it can be changed into a prime (456550613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642130 + ... + 1642407.

It is an arithmetic number, because the mean of its divisors is an integer number (114958830).

Almost surely, 2^456550643 is an apocalyptic number.

456550643 is a deficient number, since it is larger than the sum of its proper divisors (3284677).

456550643 is a wasteful number, since it uses less digits than its factorization.

456550643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284676.

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 456550643 is about 21367.0457246668. The cubic root of 456550643 is about 770.0099189142.

The spelling of 456550643 in words is "four hundred fifty-six million, five hundred fifty thousand, six hundred forty-three".