50823151 has 4 divisors (see below), whose sum is σ = 50837704. Its totient is φ = 50808600.

The previous prime is 50823083. The next prime is 50823161. The reversal of 50823151 is 15132805.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(50823151) divides (50823151-1)³.

It is a cyclic number.

It is not a de Polignac number, because 50823151 - 2⁷ = 50823023 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 (50823161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456 + ... + 10186.

It is an arithmetic number, because the mean of its divisors is an integer number (12709426).

Almost surely, 2^50823151 is an apocalyptic number.

50823151 is the 5821-st pentagonal number.

50823151 is a deficient number, since it is larger than the sum of its proper divisors (14553).

50823151 is an equidigital number, since it uses as much as digits as its factorization.

50823151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14552.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 50823151 is about 7129.0357693029. The cubic root of 50823151 is about 370.4138320766.

Adding to 50823151 its reverse (15132805), we get a palindrome (65955956).

The spelling of 50823151 in words is "fifty million, eight hundred twenty-three thousand, one hundred fifty-one".