49821377 has 4 divisors (see below), whose sum is σ = 49869396. Its totient is φ = 49773360.

The previous prime is 49821367. The next prime is 49821379. The reversal of 49821377 is 77312894.

49821377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23030401 + 26790976 = 4799^2 + 5176^2 .

It is a cyclic number.

It is not a de Polignac number, because 49821377 - 2⁶ = 49821313 is a prime.

It is a super-2 number, since 2×49821377² = 4964339212352258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49821379) by changing a digit.

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, 22418 + ... + 24539.

It is an arithmetic number, because the mean of its divisors is an integer number (12467349).

Almost surely, 2^49821377 is an apocalyptic number.

It is an amenable number.

49821377 is a deficient number, since it is larger than the sum of its proper divisors (48019).

49821377 is a wasteful number, since it uses less digits than its factorization.

49821377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48018.

The product of its digits is 84672, while the sum is 41.

The square root of 49821377 is about 7058.4259576764. The cubic root of 49821377 is about 367.9639245709.

The spelling of 49821377 in words is "forty-nine million, eight hundred twenty-one thousand, three hundred seventy-seven".