42971055 has 8 divisors (see below), whose sum is σ = 68753712. Its totient is φ = 22917888.

The previous prime is 42971041. The next prime is 42971059. The reversal of 42971055 is 55017924.

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

It is not a de Polignac number, because 42971055 - 2⁴ = 42971039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42971059) 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, 1432354 + ... + 1432383.

It is an arithmetic number, because the mean of its divisors is an integer number (8594214).

Almost surely, 2^42971055 is an apocalyptic number.

42971055 is a deficient number, since it is larger than the sum of its proper divisors (25782657).

42971055 is a wasteful number, since it uses less digits than its factorization.

42971055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864745.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 42971055 is about 6555.2311172071. The cubic root of 42971055 is about 350.2611792024.

Adding to 42971055 its reverse (55017924), we get a palindrome (97988979).

The spelling of 42971055 in words is "forty-two million, nine hundred seventy-one thousand, fifty-five".