42192655 has 4 divisors (see below), whose sum is σ = 50631192. Its totient is φ = 33754120.

The previous prime is 42192653. The next prime is 42192677. The reversal of 42192655 is 55629124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42192655 - 2¹ = 42192653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42192655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42192653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4219261 + ... + 4219270.

It is an arithmetic number, because the mean of its divisors is an integer number (12657798).

Almost surely, 2^42192655 is an apocalyptic number.

42192655 is a deficient number, since it is larger than the sum of its proper divisors (8438537).

42192655 is an equidigital number, since it uses as much as digits as its factorization.

42192655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8438536.

The product of its digits is 21600, while the sum is 34.

The square root of 42192655 is about 6495.5873483466. The cubic root of 42192655 is about 348.1333411378.

The spelling of 42192655 in words is "forty-two million, one hundred ninety-two thousand, six hundred fifty-five".