49771040 has 48 divisors (see below), whose sum is σ = 128278080. Its totient is φ = 18097920.

The previous prime is 49771039. The next prime is 49771049. The reversal of 49771040 is 4017794.

49771040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 49770988 and 49771006.

It is not an unprimeable number, because it can be changed into a prime (49771049) 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 7 ways as a sum of consecutive naturals, for example, 12380 + ... + 15899.

It is an arithmetic number, because the mean of its divisors is an integer number (2672460).

Almost surely, 2^49771040 is an apocalyptic number.

49771040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49771040 is an abundant number, since it is smaller than the sum of its proper divisors (78507040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49771040 is a wasteful number, since it uses less digits than its factorization.

49771040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28305 (or 28297 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 49771040 is about 7054.8593182288. The cubic root of 49771040 is about 367.8399587644.

The spelling of 49771040 in words is "forty-nine million, seven hundred seventy-one thousand, forty".