42239055 has 8 divisors (see below), whose sum is σ = 67582512. Its totient is φ = 22527488.

The previous prime is 42239003. The next prime is 42239059. The reversal of 42239055 is 55093224.

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 42239055 - 2⁶ = 42238991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42239059) 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, 1407954 + ... + 1407983.

It is an arithmetic number, because the mean of its divisors is an integer number (8447814).

Almost surely, 2^42239055 is an apocalyptic number.

42239055 is a deficient number, since it is larger than the sum of its proper divisors (25343457).

42239055 is a wasteful number, since it uses less digits than its factorization.

42239055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815945.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 42239055 is about 6499.1580223903. The cubic root of 42239055 is about 348.2609104920.

The spelling of 42239055 in words is "forty-two million, two hundred thirty-nine thousand, fifty-five".