42050047 has 4 divisors (see below), whose sum is σ = 45284680. Its totient is φ = 38815416.

The previous prime is 42050039. The next prime is 42050053. The reversal of 42050047 is 74005024.

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

It is a cyclic number.

It is not a de Polignac number, because 42050047 - 2³ = 42050039 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 (42050077) 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, 1617297 + ... + 1617322.

It is an arithmetic number, because the mean of its divisors is an integer number (11321170).

Almost surely, 2^42050047 is an apocalyptic number.

42050047 is a deficient number, since it is larger than the sum of its proper divisors (3234633).

42050047 is a wasteful number, since it uses less digits than its factorization.

42050047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234632.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 42050047 is about 6484.6007587206. The cubic root of 42050047 is about 347.7406769114.

The spelling of 42050047 in words is "forty-two million, fifty thousand, forty-seven".