49618831 has 2 divisors, whose sum is σ = 49618832. Its totient is φ = 49618830.

The previous prime is 49618787. The next prime is 49618837. The reversal of 49618831 is 13881694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49618831 - 2⁷ = 49618703 is a prime.

It is a super-2 number, since 2×49618831² = 4924056779613122, which contains 22 as substring.

It is equal to p_2979625 and since 49618831 and 2979625 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49618837) 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, 24809415 + 24809416.

It is an arithmetic number, because the mean of its divisors is an integer number (24809416).

Almost surely, 2^49618831 is an apocalyptic number.

49618831 is a deficient number, since it is larger than the sum of its proper divisors (1).

49618831 is an equidigital number, since it uses as much as digits as its factorization.

49618831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The square root of 49618831 is about 7044.0635289583. The cubic root of 49618831 is about 367.4646017704.

The spelling of 49618831 in words is "forty-nine million, six hundred eighteen thousand, eight hundred thirty-one".