49771616 has 48 divisors (see below), whose sum is σ = 102187008. Its totient is φ = 23836800.

The previous prime is 49771607. The next prime is 49771661. The reversal of 49771616 is 61617794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129761 + ... + 130143.

It is an arithmetic number, because the mean of its divisors is an integer number (2128896).

Almost surely, 2^49771616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49771616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51093504).

49771616 is an abundant number, since it is smaller than the sum of its proper divisors (52415392).

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

49771616 is a wasteful number, since it uses less digits than its factorization.

49771616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 547 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 49771616 is about 7054.9001410367. The cubic root of 49771616 is about 367.8413777623.

The spelling of 49771616 in words is "forty-nine million, seven hundred seventy-one thousand, six hundred sixteen".