49777628 has 6 divisors (see below), whose sum is σ = 87110856. Its totient is φ = 24888812.

The previous prime is 49777627. The next prime is 49777631. The reversal of 49777628 is 82677794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49777621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222200 + ... + 6222207.

It is an arithmetic number, because the mean of its divisors is an integer number (14518476).

Almost surely, 2^49777628 is an apocalyptic number.

It is an amenable number.

49777628 is a deficient number, since it is larger than the sum of its proper divisors (37333228).

49777628 is a wasteful number, since it uses less digits than its factorization.

49777628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12444411 (or 12444409 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 50.

The square root of 49777628 is about 7055.3262149953. The cubic root of 49777628 is about 367.8561878991.

It can be divided in two parts, 49777 and 628, that added together give a palindrome (50405).

The spelling of 49777628 in words is "forty-nine million, seven hundred seventy-seven thousand, six hundred twenty-eight".