451643053 has 16 divisors (see below), whose sum is σ = 496584000. Its totient is φ = 409214592.

The previous prime is 451643009. The next prime is 451643107. The reversal of 451643053 is 350346154.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451643053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451643953) 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 15 ways as a sum of consecutive naturals, for example, 36033 + ... + 46921.

It is an arithmetic number, because the mean of its divisors is an integer number (31036500).

Almost surely, 2^451643053 is an apocalyptic number.

It is an amenable number.

451643053 is a deficient number, since it is larger than the sum of its proper divisors (44940947).

451643053 is a wasteful number, since it uses less digits than its factorization.

451643053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11004.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 451643053 is about 21251.8952801862. The cubic root of 451643053 is about 767.2409566215.

The spelling of 451643053 in words is "four hundred fifty-one million, six hundred forty-three thousand, fifty-three".