50487431 has 4 divisors (see below), whose sum is σ = 50501832. Its totient is φ = 50473032.

The previous prime is 50487419. The next prime is 50487469. The reversal of 50487431 is 13478405.

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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50487431 is a prime.

It is a super-2 number, since 2×50487431² = 5097961377959522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50487631) 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, 1856 + ... + 10218.

It is an arithmetic number, because the mean of its divisors is an integer number (12625458).

Almost surely, 2^50487431 is an apocalyptic number.

50487431 is a deficient number, since it is larger than the sum of its proper divisors (14401).

50487431 is an equidigital number, since it uses as much as digits as its factorization.

50487431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14400.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 50487431 is about 7105.4507949883. The cubic root of 50487431 is about 369.5964214116.

The spelling of 50487431 in words is "fifty million, four hundred eighty-seven thousand, four hundred thirty-one".