50136851 has 4 divisors (see below), whose sum is σ = 50456352. Its totient is φ = 49817352.

The previous prime is 50136833. The next prime is 50136913. The reversal of 50136851 is 15863105.

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 50136851 - 2⁶ = 50136787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50136811) 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, 159515 + ... + 159828.

It is an arithmetic number, because the mean of its divisors is an integer number (12614088).

Almost surely, 2^50136851 is an apocalyptic number.

50136851 is a deficient number, since it is larger than the sum of its proper divisors (319501).

50136851 is a wasteful number, since it uses less digits than its factorization.

50136851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319500.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 50136851 is about 7080.7380265054. The cubic root of 50136851 is about 368.7389526136.

Adding to 50136851 its reverse (15863105), we get a palindrome (65999956).

The spelling of 50136851 in words is "fifty million, one hundred thirty-six thousand, eight hundred fifty-one".