49995780 has 48 divisors (see below), whose sum is σ = 142974720. Its totient is φ = 13047808.

The previous prime is 49995779. The next prime is 49995787. The reversal of 49995780 is 8759994.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (49995787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6045 + ... + 11684.

It is an arithmetic number, because the mean of its divisors is an integer number (2978640).

Almost surely, 2^49995780 is an apocalyptic number.

It is an amenable number.

49995780 is an abundant number, since it is smaller than the sum of its proper divisors (92978940).

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

49995780 is a wasteful number, since it uses less digits than its factorization.

49995780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17788 (or 17786 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 49995780 is about 7070.7694065073. The cubic root of 49995780 is about 368.3927851638.

The spelling of 49995780 in words is "forty-nine million, nine hundred ninety-five thousand, seven hundred eighty".