49486831 has 2 divisors, whose sum is σ = 49486832. Its totient is φ = 49486830.

The previous prime is 49486807. The next prime is 49486837. The reversal of 49486831 is 13868494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49486831 - 2⁹ = 49486319 is a prime.

It is a super-2 number, since 2×49486831² = 4897892884845122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49486837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24743415 + 24743416.

It is an arithmetic number, because the mean of its divisors is an integer number (24743416).

Almost surely, 2^49486831 is an apocalyptic number.

49486831 is a deficient number, since it is larger than the sum of its proper divisors (1).

49486831 is an equidigital number, since it uses as much as digits as its factorization.

49486831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 49486831 is about 7034.6876974035. The cubic root of 49486831 is about 367.1384594388.

The spelling of 49486831 in words is "forty-nine million, four hundred eighty-six thousand, eight hundred thirty-one".