49777616 has 20 divisors (see below), whose sum is σ = 110222112. Its totient is φ = 21333216.

The previous prime is 49777613. The next prime is 49777621. The reversal of 49777616 is 61677794.

It is a super-2 number, since 2×49777616² = 4955622109286912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49777613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222110 + ... + 222333.

Almost surely, 2^49777616 is an apocalyptic number.

It is an amenable number.

49777616 is an abundant number, since it is smaller than the sum of its proper divisors (60444496).

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

49777616 is a wasteful number, since it uses less digits than its factorization.

49777616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444458 (or 444452 counting only the distinct ones).

The product of its digits is 444528, while the sum is 47.

The square root of 49777616 is about 7055.3253645739. The cubic root of 49777616 is about 367.8561583391.

The spelling of 49777616 in words is "forty-nine million, seven hundred seventy-seven thousand, six hundred sixteen".