49043431 has 2 divisors, whose sum is σ = 49043432. Its totient is φ = 49043430.

The previous prime is 49043417. The next prime is 49043443. The reversal of 49043431 is 13434094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49043431 - 2⁵ = 49043399 is a prime.

It is a super-2 number, since 2×49043431² = 4810516248503522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49043431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49043411) 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 as a sum of consecutive naturals, namely, 24521715 + 24521716.

It is an arithmetic number, because the mean of its divisors is an integer number (24521716).

Almost surely, 2^49043431 is an apocalyptic number.

49043431 is a deficient number, since it is larger than the sum of its proper divisors (1).

49043431 is an equidigital number, since it uses as much as digits as its factorization.

49043431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 49043431 is about 7003.1015271807. The cubic root of 49043431 is about 366.0386528897.

The spelling of 49043431 in words is "forty-nine million, forty-three thousand, four hundred thirty-one".