49778375 has 8 divisors (see below), whose sum is σ = 62123568. Its totient is φ = 39822600.

The previous prime is 49778341. The next prime is 49778383. The reversal of 49778375 is 57387794.

It is not a de Polignac number, because 49778375 - 2¹² = 49774279 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 7 ways as a sum of consecutive naturals, for example, 198989 + ... + 199238.

It is an arithmetic number, because the mean of its divisors is an integer number (7765446).

Almost surely, 2^49778375 is an apocalyptic number.

49778375 is a deficient number, since it is larger than the sum of its proper divisors (12345193).

49778375 is an equidigital number, since it uses as much as digits as its factorization.

49778375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398242 (or 398232 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 50.

The square root of 49778375 is about 7055.3791535253. The cubic root of 49778375 is about 367.8580279975.

The spelling of 49778375 in words is "forty-nine million, seven hundred seventy-eight thousand, three hundred seventy-five".