49403775 has 24 divisors (see below), whose sum is σ = 83585920. Its totient is φ = 25734240.

The previous prime is 49403771. The next prime is 49403789. The reversal of 49403775 is 57730494.

It is not a de Polignac number, because 49403775 - 2² = 49403771 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49403771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4435 + ... + 10884.

Almost surely, 2^49403775 is an apocalyptic number.

49403775 is a deficient number, since it is larger than the sum of its proper divisors (34182145).

49403775 is a wasteful number, since it uses less digits than its factorization.

49403775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15375 (or 15370 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 49403775 is about 7028.7819001588. The cubic root of 49403775 is about 366.9329493634.

The spelling of 49403775 in words is "forty-nine million, four hundred three thousand, seven hundred seventy-five".