49806920 has 32 divisors (see below), whose sum is σ = 115932600. Its totient is φ = 19235328.

The previous prime is 49806907. The next prime is 49806941. The reversal of 49806920 is 2960894.

It can be written as a sum of positive squares in 4 ways, for example, as 22829284 + 26977636 = 4778^2 + 5194^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20309 + ... + 22628.

Almost surely, 2^49806920 is an apocalyptic number.

49806920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49806920 is an abundant number, since it is smaller than the sum of its proper divisors (66125680).

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

49806920 is a wasteful number, since it uses less digits than its factorization.

49806920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42977 (or 42973 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 49806920 is about 7057.4017881937. The cubic root of 49806920 is about 367.9283296154.

The spelling of 49806920 in words is "forty-nine million, eight hundred six thousand, nine hundred twenty".