49776920 has 16 divisors (see below), whose sum is σ = 111998160. Its totient is φ = 19910752.

The previous prime is 49776919. The next prime is 49776949. The reversal of 49776920 is 2967794.

49776920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 622172 + ... + 622251.

It is an arithmetic number, because the mean of its divisors is an integer number (6999885).

Almost surely, 2^49776920 is an apocalyptic number.

49776920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49776920 is an abundant number, since it is smaller than the sum of its proper divisors (62221240).

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

49776920 is a wasteful number, since it uses less digits than its factorization.

49776920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244434 (or 1244430 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 49776920 is about 7055.2760399576. The cubic root of 49776920 is about 367.8544438531.

The spelling of 49776920 in words is "forty-nine million, seven hundred seventy-six thousand, nine hundred twenty".