442550054 has 4 divisors (see below), whose sum is σ = 663825084. Its totient is φ = 221275026.

The previous prime is 442550047. The next prime is 442550077. The reversal of 442550054 is 450055244.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 442549999 and 442550026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110637512 + ... + 110637515.

It is an arithmetic number, because the mean of its divisors is an integer number (165956271).

Almost surely, 2^442550054 is an apocalyptic number.

442550054 is a deficient number, since it is larger than the sum of its proper divisors (221275030).

442550054 is a wasteful number, since it uses less digits than its factorization.

442550054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221275029.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 442550054 is about 21036.8736745744. The cubic root of 442550054 is about 762.0570163292.

The spelling of 442550054 in words is "four hundred forty-two million, five hundred fifty thousand, fifty-four".