50042565 has 12 divisors (see below), whose sum is σ = 86740524. Its totient is φ = 26689344.

The previous prime is 50042563. The next prime is 50042579. The reversal of 50042565 is 56524005.

It can be written as a sum of positive squares in 2 ways, for example, as 17791524 + 32251041 = 4218^2 + 5679^2 .

It is not a de Polignac number, because 50042565 - 2¹ = 50042563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50042563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555984 + ... + 556073.

It is an arithmetic number, because the mean of its divisors is an integer number (7228377).

Almost surely, 2^50042565 is an apocalyptic number.

It is an amenable number.

50042565 is a deficient number, since it is larger than the sum of its proper divisors (36697959).

50042565 is a wasteful number, since it uses less digits than its factorization.

50042565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112068 (or 1112065 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 50042565 is about 7074.0769715914. The cubic root of 50042565 is about 368.5076607468.

It can be divided in two parts, 5004 and 2565, that added together give a square (7569 = 87²).

The spelling of 50042565 in words is "fifty million, forty-two thousand, five hundred sixty-five".