49749783 has 8 divisors (see below), whose sum is σ = 66717168. Its totient is φ = 32974464.

The previous prime is 49749781. The next prime is 49749787. The reversal of 49749783 is 38794794.

It is a happy number.

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

It is not a de Polignac number, because 49749783 - 2¹ = 49749781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49749781) by changing a digit.

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, 47410 + ... + 48447.

It is an arithmetic number, because the mean of its divisors is an integer number (8339646).

Almost surely, 2^49749783 is an apocalyptic number.

49749783 is a deficient number, since it is larger than the sum of its proper divisors (16967385).

49749783 is a wasteful number, since it uses less digits than its factorization.

49749783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96033.

The product of its digits is 1524096, while the sum is 51.

The square root of 49749783 is about 7053.3526070940. The cubic root of 49749783 is about 367.7875836788.

The spelling of 49749783 in words is "forty-nine million, seven hundred forty-nine thousand, seven hundred eighty-three".