421348555 has 4 divisors (see below), whose sum is σ = 505618272. Its totient is φ = 337078840.

The previous prime is 421348549. The next prime is 421348573. The reversal of 421348555 is 555843124.

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

It is not a de Polignac number, because 421348555 - 2¹¹ = 421346507 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, 42134851 + ... + 42134860.

It is an arithmetic number, because the mean of its divisors is an integer number (126404568).

Almost surely, 2^421348555 is an apocalyptic number.

421348555 is a deficient number, since it is larger than the sum of its proper divisors (84269717).

421348555 is an equidigital number, since it uses as much as digits as its factorization.

421348555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84269716.

The product of its digits is 96000, while the sum is 37.

The square root of 421348555 is about 20526.7765370016. The cubic root of 421348555 is about 749.6879027377.

The spelling of 421348555 in words is "four hundred twenty-one million, three hundred forty-eight thousand, five hundred fifty-five".