42055293 has 16 divisors (see below), whose sum is σ = 66871296. Its totient is φ = 22986480.

The previous prime is 42055261. The next prime is 42055357. The reversal of 42055293 is 39255024.

It is not a de Polignac number, because 42055293 - 2⁵ = 42055261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42055293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42055213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43053 + ... + 44018.

It is an arithmetic number, because the mean of its divisors is an integer number (4179456).

Almost surely, 2^42055293 is an apocalyptic number.

It is an amenable number.

42055293 is a deficient number, since it is larger than the sum of its proper divisors (24816003).

42055293 is a wasteful number, since it uses less digits than its factorization.

42055293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87104.

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

The square root of 42055293 is about 6485.0052428660. The cubic root of 42055293 is about 347.7551372340.

The spelling of 42055293 in words is "forty-two million, fifty-five thousand, two hundred ninety-three".