451255555 has 4 divisors (see below), whose sum is σ = 541506672. Its totient is φ = 361004440.

The previous prime is 451255549. The next prime is 451255603. The reversal of 451255555 is 555552154.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 451255555 - 2¹¹ = 451253507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45125551 + ... + 45125560.

It is an arithmetic number, because the mean of its divisors is an integer number (135376668).

Almost surely, 2^451255555 is an apocalyptic number.

451255555 is a deficient number, since it is larger than the sum of its proper divisors (90251117).

451255555 is an equidigital number, since it uses as much as digits as its factorization.

451255555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90251116.

The product of its digits is 125000, while the sum is 37.

The square root of 451255555 is about 21242.7765369784. The cubic root of 451255555 is about 767.0214695721.

The spelling of 451255555 in words is "four hundred fifty-one million, two hundred fifty-five thousand, five hundred fifty-five".