42711855 has 8 divisors (see below), whose sum is σ = 68338992. Its totient is φ = 22779648.

The previous prime is 42711847. The next prime is 42711887. The reversal of 42711855 is 55811724.

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

It is not a de Polignac number, because 42711855 - 2³ = 42711847 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, 1423714 + ... + 1423743.

It is an arithmetic number, because the mean of its divisors is an integer number (8542374).

Almost surely, 2^42711855 is an apocalyptic number.

42711855 is a deficient number, since it is larger than the sum of its proper divisors (25627137).

42711855 is a wasteful number, since it uses less digits than its factorization.

42711855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847465.

The product of its digits is 11200, while the sum is 33.

The square root of 42711855 is about 6535.4307432640. The cubic root of 42711855 is about 349.5555037607. Note that the first 4 decimals are identical.

The spelling of 42711855 in words is "forty-two million, seven hundred eleven thousand, eight hundred fifty-five".