49928783 has 4 divisors (see below), whose sum is σ = 49974600. Its totient is φ = 49882968.

The previous prime is 49928771. The next prime is 49928803. The reversal of 49928783 is 38782994.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 49928783 - 2²⁴ = 33151567 is a prime.

It is a super-2 number, since 2×49928783² = 4985766743722178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49928743) 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 3 ways as a sum of consecutive naturals, for example, 21233 + ... + 23466.

It is an arithmetic number, because the mean of its divisors is an integer number (12493650).

Almost surely, 2^49928783 is an apocalyptic number.

49928783 is a deficient number, since it is larger than the sum of its proper divisors (45817).

49928783 is a wasteful number, since it uses less digits than its factorization.

49928783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45816.

The product of its digits is 870912, while the sum is 50.

The square root of 49928783 is about 7066.0302150500. The cubic root of 49928783 is about 368.2281563068.

The spelling of 49928783 in words is "forty-nine million, nine hundred twenty-eight thousand, seven hundred eighty-three".