49678775 has 6 divisors (see below), whose sum is σ = 61601712. Its totient is φ = 39743000.

The previous prime is 49678747. The next prime is 49678789. The reversal of 49678775 is 57787694.

It is not a de Polignac number, because 49678775 - 2¹⁰ = 49677751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 993551 + ... + 993600.

It is an arithmetic number, because the mean of its divisors is an integer number (10266952).

Almost surely, 2^49678775 is an apocalyptic number.

49678775 is a deficient number, since it is larger than the sum of its proper divisors (11922937).

49678775 is a wasteful number, since it uses less digits than its factorization.

49678775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987161 (or 1987156 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 53.

The square root of 49678775 is about 7048.3171750426. The cubic root of 49678775 is about 367.6125189575.

The spelling of 49678775 in words is "forty-nine million, six hundred seventy-eight thousand, seven hundred seventy-five".