49378285 has 24 divisors (see below), whose sum is σ = 68975928. Its totient is φ = 33792000.

The previous prime is 49378279. The next prime is 49378327. The reversal of 49378285 is 58287394.

It can be written as a sum of positive squares in 4 ways, for example, as 11703241 + 37675044 = 3421^2 + 6138^2 .

It is not a de Polignac number, because 49378285 - 2⁹ = 49377773 is a prime.

It is a Duffinian number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 7885 + ... + 12685.

It is an arithmetic number, because the mean of its divisors is an integer number (2873997).

Almost surely, 2^49378285 is an apocalyptic number.

It is an amenable number.

49378285 is a deficient number, since it is larger than the sum of its proper divisors (19597643).

49378285 is a wasteful number, since it uses less digits than its factorization.

49378285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845 (or 4834 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 49378285 is about 7026.9684074998. The cubic root of 49378285 is about 366.8698318525.

The spelling of 49378285 in words is "forty-nine million, three hundred seventy-eight thousand, two hundred eighty-five".