50442399 has 16 divisors (see below), whose sum is σ = 85405440. Its totient is φ = 28824120.

The previous prime is 50442391. The next prime is 50442401. The reversal of 50442399 is 99324405.

It is not a de Polignac number, because 50442399 - 2³ = 50442391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50442391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133257 + ... + 133634.

It is an arithmetic number, because the mean of its divisors is an integer number (5337840).

Almost surely, 2^50442399 is an apocalyptic number.

50442399 is a deficient number, since it is larger than the sum of its proper divisors (34963041).

50442399 is a wasteful number, since it uses less digits than its factorization.

50442399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266907 (or 266901 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 50442399 is about 7102.2812532312. The cubic root of 50442399 is about 369.4865021928.

The spelling of 50442399 in words is "fifty million, four hundred forty-two thousand, three hundred ninety-nine".