42055424052497 has 4 divisors (see below), whose sum is σ = 43505611088820. Its totient is φ = 40605237016176.

The previous prime is 42055424052493. The next prime is 42055424052617. The reversal of 42055424052497 is 79425042455024.

42055424052497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26924070923281 + 15131353129216 = 5188841^2 + 3889904^2 .

It is a cyclic number.

It is not a de Polignac number, because 42055424052497 - 2² = 42055424052493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42055424052493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725093518118 + ... + 725093518175.

It is an arithmetic number, because the mean of its divisors is an integer number (10876402772205).

Almost surely, 2^{42055424052497} is an apocalyptic number.

It is an amenable number.

42055424052497 is a deficient number, since it is larger than the sum of its proper divisors (1450187036323).

42055424052497 is a wasteful number, since it uses less digits than its factorization.

42055424052497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450187036322.

The product of its (nonzero) digits is 16128000, while the sum is 53.

The spelling of 42055424052497 in words is "forty-two trillion, fifty-five billion, four hundred twenty-four million, fifty-two thousand, four hundred ninety-seven".