49156931 has 2 divisors, whose sum is σ = 49156932. Its totient is φ = 49156930.

The previous prime is 49156927. The next prime is 49156973. The reversal of 49156931 is 13965194.

49156931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49156931 - 2² = 49156927 is a prime.

It is a super-2 number, since 2×49156931² = 4832807730677522, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p_2953388 and since 49156931 and 2953388 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (49156631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24578465 + 24578466.

It is an arithmetic number, because the mean of its divisors is an integer number (24578466).

Almost surely, 2^49156931 is an apocalyptic number.

49156931 is a deficient number, since it is larger than the sum of its proper divisors (1).

49156931 is an equidigital number, since it uses as much as digits as its factorization.

49156931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 38.

The square root of 49156931 is about 7011.2003965084. The cubic root of 49156931 is about 366.3208067429.

The spelling of 49156931 in words is "forty-nine million, one hundred fifty-six thousand, nine hundred thirty-one".