421054055 has 8 divisors (see below), whose sum is σ = 507130944. Its totient is φ = 335599200.

The previous prime is 421054033. The next prime is 421054093. The reversal of 421054055 is 550450124.

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

It is not a de Polignac number, because 421054055 - 2⁸ = 421053799 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 7 ways as a sum of consecutive naturals, for example, 154016 + ... + 156725.

It is an arithmetic number, because the mean of its divisors is an integer number (63391368).

Almost surely, 2^421054055 is an apocalyptic number.

421054055 is a deficient number, since it is larger than the sum of its proper divisors (86076889).

421054055 is a wasteful number, since it uses less digits than its factorization.

421054055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311017.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 421054055 is about 20519.6017261544. The cubic root of 421054055 is about 749.5131981744.

The spelling of 421054055 in words is "four hundred twenty-one million, fifty-four thousand, fifty-five".