49856931 has 16 divisors (see below), whose sum is σ = 77750400. Its totient is φ = 31488264.

The previous prime is 49856929. The next prime is 49857001. The reversal of 49856931 is 13965894.

It is a happy number.

49856931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49856931 - 2¹ = 49856929 is a prime.

It is a super-2 number, since 2×49856931² = 4971427137477522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49856231) 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 in 15 ways as a sum of consecutive naturals, for example, 48081 + ... + 49106.

It is an arithmetic number, because the mean of its divisors is an integer number (4859400).

Almost surely, 2^49856931 is an apocalyptic number.

49856931 is a deficient number, since it is larger than the sum of its proper divisors (27893469).

49856931 is a wasteful number, since it uses less digits than its factorization.

49856931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97215 (or 97209 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 49856931 is about 7060.9440586936. The cubic root of 49856931 is about 368.0514337176.

The spelling of 49856931 in words is "forty-nine million, eight hundred fifty-six thousand, nine hundred thirty-one".