50947131 has 16 divisors (see below), whose sum is σ = 69741056. Its totient is φ = 33064416.

The previous prime is 50947129. The next prime is 50947153. The reversal of 50947131 is 13174905.

It is not a de Polignac number, because 50947131 - 2¹ = 50947129 is a prime.

It is a super-2 number, since 2×50947131² = 5191220314262322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50947111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59301 + ... + 60153.

It is an arithmetic number, because the mean of its divisors is an integer number (4358816).

Almost surely, 2^50947131 is an apocalyptic number.

50947131 is a deficient number, since it is larger than the sum of its proper divisors (18793925).

50947131 is a wasteful number, since it uses less digits than its factorization.

50947131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 50947131 is about 7137.7258983517. The cubic root of 50947131 is about 370.7147881938.

The spelling of 50947131 in words is "fifty million, nine hundred forty-seven thousand, one hundred thirty-one".