421710055 has 8 divisors (see below), whose sum is σ = 544979232. Its totient is φ = 311416608.

The previous prime is 421710049. The next prime is 421710059. The reversal of 421710055 is 550017124.

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

It is a cyclic number.

It is not a de Polignac number, because 421710055 - 2⁷ = 421709927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421710059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3243859 + ... + 3243988.

It is an arithmetic number, because the mean of its divisors is an integer number (68122404).

Almost surely, 2^421710055 is an apocalyptic number.

421710055 is a deficient number, since it is larger than the sum of its proper divisors (123269177).

421710055 is a wasteful number, since it uses less digits than its factorization.

421710055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6487865.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 421710055 is about 20535.5802206804. The cubic root of 421710055 is about 749.9022420732.

Adding to 421710055 its reverse (550017124), we get a palindrome (971727179).

The spelling of 421710055 in words is "four hundred twenty-one million, seven hundred ten thousand, fifty-five".