50431619 has 4 divisors (see below), whose sum is σ = 57636144. Its totient is φ = 43227096.

The previous prime is 50431613. The next prime is 50431621. The reversal of 50431619 is 91613405.

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 50431619 - 2⁴ = 50431603 is a prime.

It is a super-2 number, since 2×50431619² = 5086696389922322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50431591 and 50431600.

It is not an unprimeable number, because it can be changed into a prime (50431613) 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, 3602252 + ... + 3602265.

It is an arithmetic number, because the mean of its divisors is an integer number (14409036).

Almost surely, 2^50431619 is an apocalyptic number.

50431619 is a deficient number, since it is larger than the sum of its proper divisors (7204525).

50431619 is an equidigital number, since it uses as much as digits as its factorization.

50431619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204524.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 50431619 is about 7101.5223015914. The cubic root of 50431619 is about 369.4601794409.

It can be divided in two parts, 504 and 31619, that added together give a palindrome (32123).

The spelling of 50431619 in words is "fifty million, four hundred thirty-one thousand, six hundred nineteen".