442053053 has 4 divisors (see below), whose sum is σ = 476057148. Its totient is φ = 408048960.

The previous prime is 442053043. The next prime is 442053071. The reversal of 442053053 is 350350244.

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 95609284 + 346443769 = 9778^2 + 18613^2 .

It is a cyclic number.

It is not a de Polignac number, because 442053053 - 2¹⁰ = 442052029 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 (442053043) 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, 17002028 + ... + 17002053.

It is an arithmetic number, because the mean of its divisors is an integer number (119014287).

Almost surely, 2^442053053 is an apocalyptic number.

It is an amenable number.

442053053 is a deficient number, since it is larger than the sum of its proper divisors (34004095).

442053053 is a wasteful number, since it uses less digits than its factorization.

442053053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34004094.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 442053053 is about 21025.0577407055. The cubic root of 442053053 is about 761.7716362045.

The spelling of 442053053 in words is "four hundred forty-two million, fifty-three thousand, fifty-three".