49977936 has 30 divisors (see below), whose sum is σ = 139869210. Its totient is φ = 16659264.

The previous prime is 49977899. The next prime is 49977937. The reversal of 49977936 is 63977994.

49977936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 49617936 + 360000 = 7044^2 + 600^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49977937) 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 5 ways as a sum of consecutive naturals, for example, 173391 + ... + 173678.

It is an arithmetic number, because the mean of its divisors is an integer number (4662307).

Almost surely, 2^49977936 is an apocalyptic number.

It is an amenable number.

49977936 is an abundant number, since it is smaller than the sum of its proper divisors (89891274).

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

49977936 is a wasteful number, since it uses less digits than its factorization.

49977936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347083 (or 347074 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 49977936 is about 7069.5074793086. The cubic root of 49977936 is about 368.3489522438.

The spelling of 49977936 in words is "forty-nine million, nine hundred seventy-seven thousand, nine hundred thirty-six".