421453055 has 4 divisors (see below), whose sum is σ = 505743672. Its totient is φ = 337162440.

The previous prime is 421453033. The next prime is 421453061. The reversal of 421453055 is 550354124.

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

It is not a de Polignac number, because 421453055 - 2¹² = 421448959 is a prime.

It is a Duffinian number.

It is a congruent 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, 42145301 + ... + 42145310.

It is an arithmetic number, because the mean of its divisors is an integer number (126435918).

Almost surely, 2^421453055 is an apocalyptic number.

421453055 is a deficient number, since it is larger than the sum of its proper divisors (84290617).

421453055 is an equidigital number, since it uses as much as digits as its factorization.

421453055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84290616.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 421453055 is about 20529.3218348780. The cubic root of 421453055 is about 749.7498751112.

The spelling of 421453055 in words is "four hundred twenty-one million, four hundred fifty-three thousand, fifty-five".