49780775 has 24 divisors (see below), whose sum is σ = 67827504. Its totient is φ = 35942400.

The previous prime is 49780769. The next prime is 49780781. The reversal of 49780775 is 57708794.

It is an interprime number because it is at equal distance from previous prime (49780769) and next prime (49780781).

It is not a de Polignac number, because 49780775 - 2¹² = 49776679 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 23 ways as a sum of consecutive naturals, for example, 42599 + ... + 43751.

It is an arithmetic number, because the mean of its divisors is an integer number (2826146).

Almost surely, 2^49780775 is an apocalyptic number.

49780775 is a deficient number, since it is larger than the sum of its proper divisors (18046729).

49780775 is a wasteful number, since it uses less digits than its factorization.

49780775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 49780775 is about 7055.5492344679. The cubic root of 49780775 is about 367.8639398355.

The spelling of 49780775 in words is "forty-nine million, seven hundred eighty thousand, seven hundred seventy-five".