49963831 has 2 divisors, whose sum is σ = 49963832. Its totient is φ = 49963830.

The previous prime is 49963829. The next prime is 49963873. The reversal of 49963831 is 13836994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49963831 - 2¹ = 49963829 is a prime.

It is a super-2 number, since 2×49963831² = 4992768816393122, which contains 22 as substring.

Together with 49963829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49963891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24981915 + 24981916.

It is an arithmetic number, because the mean of its divisors is an integer number (24981916).

Almost surely, 2^49963831 is an apocalyptic number.

49963831 is a deficient number, since it is larger than the sum of its proper divisors (1).

49963831 is an equidigital number, since it uses as much as digits as its factorization.

49963831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The square root of 49963831 is about 7068.5098146639. The cubic root of 49963831 is about 368.3142966122.

The spelling of 49963831 in words is "forty-nine million, nine hundred sixty-three thousand, eight hundred thirty-one".