49861788 has 24 divisors (see below), whose sum is σ = 120356880. Its totient is φ = 16047360.

The previous prime is 49861771. The next prime is 49861789. The reversal of 49861788 is 88716894.

It is a self number, because there is not a number n which added to its sum of digits gives 49861788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49861789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71293 + ... + 71988.

It is an arithmetic number, because the mean of its divisors is an integer number (5014870).

Almost surely, 2^49861788 is an apocalyptic number.

It is an amenable number.

49861788 is an abundant number, since it is smaller than the sum of its proper divisors (70495092).

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

49861788 is a wasteful number, since it uses less digits than its factorization.

49861788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143317 (or 143315 counting only the distinct ones).

The product of its digits is 774144, while the sum is 51.

The square root of 49861788 is about 7061.2879844969. The cubic root of 49861788 is about 368.0633850333.

The spelling of 49861788 in words is "forty-nine million, eight hundred sixty-one thousand, seven hundred eighty-eight".