49851780 has 48 divisors (see below), whose sum is σ = 152276544. Its totient is φ = 12085120.

The previous prime is 49851779. The next prime is 49851799. The reversal of 49851780 is 8715894.

49851780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37107 + ... + 38426.

It is an arithmetic number, because the mean of its divisors is an integer number (3172428).

Almost surely, 2^49851780 is an apocalyptic number.

It is an amenable number.

49851780 is an abundant number, since it is smaller than the sum of its proper divisors (102424764).

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

49851780 is a wasteful number, since it uses less digits than its factorization.

49851780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75556 (or 75554 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 49851780 is about 7060.5792963467. The cubic root of 49851780 is about 368.0387581264.

The spelling of 49851780 in words is "forty-nine million, eight hundred fifty-one thousand, seven hundred eighty".