50131851 has 64 divisors (see below), whose sum is σ = 87859200. Its totient is φ = 25189920.

The previous prime is 50131847. The next prime is 50131871. The reversal of 50131851 is 15813105.

It is not a de Polignac number, because 50131851 - 2² = 50131847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50131811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 486666 + ... + 486768.

It is an arithmetic number, because the mean of its divisors is an integer number (1372800).

Almost surely, 2^50131851 is an apocalyptic number.

50131851 is a deficient number, since it is larger than the sum of its proper divisors (37727349).

50131851 is a wasteful number, since it uses less digits than its factorization.

50131851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 50131851 is about 7080.3849471621. The cubic root of 50131851 is about 368.7266944574.

Adding to 50131851 its reverse (15813105), we get a palindrome (65944956).

The spelling of 50131851 in words is "fifty million, one hundred thirty-one thousand, eight hundred fifty-one".