50442451 has 4 divisors (see below), whose sum is σ = 53409672. Its totient is φ = 47475232.

The previous prime is 50442449. The next prime is 50442521. The reversal of 50442451 is 15424405.

It is a happy number.

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 50442451 - 2¹ = 50442449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50442401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1483585 + ... + 1483618.

It is an arithmetic number, because the mean of its divisors is an integer number (13352418).

Almost surely, 2^50442451 is an apocalyptic number.

50442451 is a deficient number, since it is larger than the sum of its proper divisors (2967221).

50442451 is a wasteful number, since it uses less digits than its factorization.

50442451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967220.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 50442451 is about 7102.2849140259. The cubic root of 50442451 is about 369.4866291581.

Adding to 50442451 its reverse (15424405), we get a palindrome (65866856).

The spelling of 50442451 in words is "fifty million, four hundred forty-two thousand, four hundred fifty-one".