49970783 has 4 divisors (see below), whose sum is σ = 50050608. Its totient is φ = 49890960.

The previous prime is 49970749. The next prime is 49970797. The reversal of 49970783 is 38707994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49970783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49970183) 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 3 ways as a sum of consecutive naturals, for example, 38966 + ... + 40227.

It is an arithmetic number, because the mean of its divisors is an integer number (12512652).

Almost surely, 2^49970783 is an apocalyptic number.

49970783 is a deficient number, since it is larger than the sum of its proper divisors (79825).

49970783 is an equidigital number, since it uses as much as digits as its factorization.

49970783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79824.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 49970783 is about 7069.0015560898. The cubic root of 49970783 is about 368.3313783170.

The spelling of 49970783 in words is "forty-nine million, nine hundred seventy thousand, seven hundred eighty-three".