442925550553 has 2 divisors, whose sum is σ = 442925550554. Its totient is φ = 442925550552.

The previous prime is 442925550547. The next prime is 442925550631. The reversal of 442925550553 is 355055529244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337889926089 + 105035624464 = 581283^2 + 324092^2 .

It is a cyclic number.

It is not a de Polignac number, because 442925550553 - 2⁵ = 442925550521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442925550497 and 442925550506.

It is not a weakly prime, because it can be changed into another prime (442925554553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221462775276 + 221462775277.

It is an arithmetic number, because the mean of its divisors is an integer number (221462775277).

Almost surely, 2^442925550553 is an apocalyptic number.

It is an amenable number.

442925550553 is a deficient number, since it is larger than the sum of its proper divisors (1).

442925550553 is an equidigital number, since it uses as much as digits as its factorization.

442925550553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400000, while the sum is 49.

The spelling of 442925550553 in words is "four hundred forty-two billion, nine hundred twenty-five million, five hundred fifty thousand, five hundred fifty-three".