49913231 has 2 divisors, whose sum is σ = 49913232. Its totient is φ = 49913230.

The previous prime is 49913221. The next prime is 49913251. The reversal of 49913231 is 13231994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49913231 - 2⁶ = 49913167 is a prime.

It is a super-2 number, since 2×49913231² = 4982661257718722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49913221) 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, 24956615 + 24956616.

It is an arithmetic number, because the mean of its divisors is an integer number (24956616).

Almost surely, 2^49913231 is an apocalyptic number.

49913231 is a deficient number, since it is larger than the sum of its proper divisors (1).

49913231 is an equidigital number, since it uses as much as digits as its factorization.

49913231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 49913231 is about 7064.9296528699. The cubic root of 49913231 is about 368.1899199854.

The spelling of 49913231 in words is "forty-nine million, nine hundred thirteen thousand, two hundred thirty-one".