43421055 has 8 divisors (see below), whose sum is σ = 69473712. Its totient is φ = 23157888.

The previous prime is 43421047. The next prime is 43421069. The reversal of 43421055 is 55012434.

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

It is not a de Polignac number, because 43421055 - 2³ = 43421047 is a prime.

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, 1447354 + ... + 1447383.

It is an arithmetic number, because the mean of its divisors is an integer number (8684214).

Almost surely, 2^43421055 is an apocalyptic number.

43421055 is a deficient number, since it is larger than the sum of its proper divisors (26052657).

43421055 is a wasteful number, since it uses less digits than its factorization.

43421055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894745.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 43421055 is about 6589.4654563174. The cubic root of 43421055 is about 351.4796002263.

Adding to 43421055 its reverse (55012434), we get a palindrome (98433489).

The spelling of 43421055 in words is "forty-three million, four hundred twenty-one thousand, fifty-five".