42645053 has 8 divisors (see below), whose sum is σ = 47779680. Its totient is φ = 37720080.

The previous prime is 42645049. The next prime is 42645077. The reversal of 42645053 is 35054624.

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 42645053 - 2² = 42645049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42645353) 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, 51983 + ... + 52796.

It is an arithmetic number, because the mean of its divisors is an integer number (5972460).

Almost surely, 2^42645053 is an apocalyptic number.

It is an amenable number.

42645053 is a deficient number, since it is larger than the sum of its proper divisors (5134627).

42645053 is a wasteful number, since it uses less digits than its factorization.

42645053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104827.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 42645053 is about 6530.3179861321. The cubic root of 42645053 is about 349.3731719380.

Adding to 42645053 its reverse (35054624), we get a palindrome (77699677).

The spelling of 42645053 in words is "forty-two million, six hundred forty-five thousand, fifty-three".