49378985 has 8 divisors (see below), whose sum is σ = 59476680. Its totient is φ = 39355264.

The previous prime is 49378969. The next prime is 49378993. The reversal of 49378985 is 58987394.

It can be written as a sum of positive squares in 4 ways, for example, as 3193369 + 46185616 = 1787^2 + 6796^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49378985 - 2⁴ = 49378969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17012 + ... + 19701.

It is an arithmetic number, because the mean of its divisors is an integer number (7434585).

Almost surely, 2^49378985 is an apocalyptic number.

It is an amenable number.

49378985 is a deficient number, since it is larger than the sum of its proper divisors (10097695).

49378985 is a wasteful number, since it uses less digits than its factorization.

49378985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36987.

The product of its digits is 2177280, while the sum is 53.

The square root of 49378985 is about 7027.0182154311. The cubic root of 49378985 is about 366.8715654598.

The spelling of 49378985 in words is "forty-nine million, three hundred seventy-eight thousand, nine hundred eighty-five".