50042131 has 4 divisors (see below), whose sum is σ = 50424264. Its totient is φ = 49660000.

The previous prime is 50042039. The next prime is 50042147. The reversal of 50042131 is 13124005.

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 50042131 - 2²³ = 41653523 is a prime.

It is a super-2 number, since 2×50042131² = 5008429750042322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50042171) 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, 190870 + ... + 191131.

It is an arithmetic number, because the mean of its divisors is an integer number (12606066).

Almost surely, 2^50042131 is an apocalyptic number.

50042131 is a deficient number, since it is larger than the sum of its proper divisors (382133).

50042131 is a wasteful number, since it uses less digits than its factorization.

50042131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382132.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 50042131 is about 7074.0462961448. The cubic root of 50042131 is about 368.5065954351.

Adding to 50042131 its reverse (13124005), we get a palindrome (63166136).

The spelling of 50042131 in words is "fifty million, forty-two thousand, one hundred thirty-one".